<>depression
Sitting still linked to increased risk of depression in adolescents
Too much time sitting still — sedentary behavior — is linked to an increased risk of depressive symptoms in adolescents, finds a new UCL-led study published in The Lancet Psychiatry.
30min
Author Correction: Visualizing flow in an intact CSF network using optical coherence tomography: implications for human congenital hydrocephalus
Scientific Reports, Published online: 12 February 2020; doi:10.1038/s41598-020-59301-y
51min
The Atlantic Politics Daily: The Plight of the Undecided Voter
It's Tuesday, February 11. In today's newsletter: New Hampshire votes. For some (still) undecided voters, "it's like when you're in college, and your paper's due tomorrow." Plus: The Sanders doctrine. * « TODAY IN POLITICS » (DREW ANGERER / GETTY) Live free or try (to vote for a favorite Democratic candidate). Voters in libertarian-ish New Hampshire headed to the polls today—and unlike last week'
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Mediterranean great white sharks found to have 3.2 million-year-old origins
The great white shark has been in the Mediterranean for 3.2 million years, way longer than researchers have hypothesized until now. The white sharks currently living in the Mediterranean are genetically closer to those of the Pacific Ocean than to their neighbors inhabiting the Atlantic.
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Mediterranean great white sharks found to have 3.2 million-year-old origins
The great white shark has been in the Mediterranean for 3.2 million years, way longer than researchers have hypothesized until now. The white sharks currently living in the Mediterranean are genetically closer to those of the Pacific Ocean than to their neighbors inhabiting the Atlantic.
1h
A Store, a Chalet, an Unsealed Pipe: Coronavirus Hot Spots Flare Far From Wuhan
A handful of buildings around the world have been linked to multiple cases of the new virus, raising fears of rapid transmission.
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<>fedme
Studier på möss avslöjade nya sätt att få kroppen att förbränna fett
Forskare har i en ny studie identifierat regleringen av alternativ energiförbrukning i fettvävnad hos möss. Fyndet öppnar ett nytt fönster för behandling av fetma hos patienter som vanligtvis visar nedsatt konventionell fettförbränning. Den ökande förekomsten av fetma och tillkommande metaboliska sjukdomar (komorbiditeter) – som till exempel diabetes, hjärtsjukdomar och cancer – bryter ner vårt h
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Is an Aboriginal tale of an ancient volcano the oldest story ever told?
Eruption 37,000 years ago may have sparked a legend about four giants
1h
Monster 1000-kWh hydrogen-powered electric mining truck to begin testing. A step toward carbon-neutral mining.
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1h
Experts say deepfakes could swing the 2020 election
submitted by /u/rtorrance [link] [comments]
1h
LA Mayor Garcetti signs Green New Deal, launches 'decade of action' to combat climate change. "L.A.'s Green New Deal is focused on the five zeros: zero carbon grid, zero carbon transportation, zero carbon buildings, zero waste and zero wasted water"
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1h
Quantum computing breakthrough: A problem with superconducting nanostructures is that they only function at very low temperatures and are therefore difficult to bring into practical applications. Scientists now demonstrated energy quantization in nanowires made of high-temperature superconductors.
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1h
The food we'll eat on the journey to Mars (algae caviar, anyone?): Humans are headed for the cosmos, and we're taking our appetites with us. What will fill the void when we leave Earth behind?
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1h
Amid the outbreak of the coronavirus, the US President proposed a nearly 19 percent budget cut to the Centers for Disease Control and Prevention—the agency primarily tasked with preparing for and responding to such outbreaks and other serious health threats.
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1h
London police deploy face scan tech, stirring privacy fears
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1h
OpenAI Performs Surgery On A Neural Network to Play DOTA 2
submitted by /u/izumi3682 [link] [comments]
1h
Next NASA Mars rover will sport a rock-vaporizing laser
submitted by /u/kernals12 [link] [comments]
1h
New 'universal' target for antiviral treatment
Researchers have uncovered a novel potential antiviral drug target that could lead to treatments protecting against a host of infectious diseases.
1h
How the malaria parasite grows and multiplies
Scientists have made a major breakthrough in understanding how the parasite that causes malaria is able to multiply at such an alarming rate, which could be a vital clue in discovering how it has evolved, and how it can be stopped. For the first time, scientists have shown how certain molecules play an essential role in the rapid reproduction of parasite cells, which cause this deadly disease.
1h
Trump's new budget cuts all but a favored few science programs
But "industries of the future" on the rise
1h
New Samsung Phones, Record Heat in Antarctica, and More News
Catch up on the most important news from today in two minutes or less.
1h
Does Tristan da Cunha have the world's weirdest place names?
Tristan da Cunha is the world's most isolated inhabited island. It also has some of the world's weirdest place names. Is there a link? Maybe, if we stretch Darwin's theory from biology to topography. Thriving in isolation As Darwin predicted, islands have more species . That's because isolation can help preserve biodiversity. Could it be that place names also thrive on islands, and for the same r
1h
Labs scramble to spot hidden coronavirus infections
Lack of antibody tests obscures impact of the novel virus
1h
Making 3-D printing smarter with machine learning
3-D printing is often touted as the future of manufacturing. However it has a high degree of error, and manufacturers often need many iterations of a print before they get it right. A team of researchers from USC Viterbi School of Engineering is tackling this problem, with a new set of machine learning algorithms and a software tool called PrintFixer, improving print accuracy by 50 percent or more
1h
DIY tools TalkBox and SenseBox help people with disabilities to communicate
Researchers at the University of Maryland, Baltimore County (UMBC) have developed do-it-yourself (DIY) assistive technology prototypes that are revolutionizing how people with disabilities can access tools that will help them interact with the world. The tools are effective in different cultural contexts and were developed in close consultation with people with disabilities. A future step is to sc
1h
FDA Now Allows Certain Lab Animals to Be Retired and Adopted
Current bills in Congress would apply similar provisions to all federal agencies.
1h
Scientists Can Tell How Old You Are Based on Your Skin Microbiome
Microbes in and on your gut, mouth and skin change predictably as you age. Especially your skin.
1h
'Atomic dance' reveals new insights into performance of 2D materials
A team used electron microscopy to observe the cause of failure in a widely used 2D material, which could help researchers develop more stable and reliable materials for flexible electronic devices.
1h
Ancient Antarctic ice melt increased sea levels by 3+ meters — and it could happen again
Rising ocean temperatures drove the melting of Antarctic ice sheets and caused extreme sea level rise more than 100,000 years ago, a new international study l shows – and the scientists say we're headed in that direction again.
1h
New synthesis methods enhance 3D chemical space for drug discovery
After helping develop a new approach for organic synthesis — carbon-hydrogen functionalization — scientists are now showing how this approach may apply to drug discovery. Recent work — a streamlined process for making a three-dimensional scaffold — is of interest to the pharmaceutical industry.
1h
Pedal to the metal: Speeding up treatments for ALS
Disease-prompting bundles of proteins found within cells are cleared by unexpected processes. That knowledge could lead to ALS therapeutic solutions.
1h
A Robot Assists With 'Supermicrosurgery' For the First Time
A new robotic device fights surgeons' hand tremors in precision-demanding procedure.
1h
Synthetic chemicals in soils are 'ticking time bomb'
Synthetic chemicals that were released into the environment for the first time 80 years ago have been linked to harmful health effects, and more of them are migrating slowly from the soil, according to new research.
2h
Revenge is more enjoyable than forgiveness — at least in stories
When it comes to entertainment, people enjoy seeing bad guys get their punishment more than seeing them be forgiven, a new study reveals. But even though they don't enjoy the forgiveness stories as much, people do find these narratives more meaningful and thought-provoking than ones in which the bad guys receive their just deserts.
2h
Harnessing the domino effect for deployable structures
Researchers have harnessed the domino effect to design deployable systems that expand quickly with a small push and are stable and locked into place after deployment.
2h
New threads: Nanowires made of tellurium and nanotubes hold promise for wearable tech
Wearable tech requires both strength and flexibility. A new nanowire design — a boron nitride nanotube (BNNT) filled with tellurium atomic chains — holds promise for electronics triggered by light and pressure. Physicists have now created and tested the new nanowire alongside carbon nanotubes.
2h
How some mammals pause their pregnancies
Some species of mammals can delay the implantation of their embryos until conditions are better for bearing and rearing offspring. This enigmatic reproductive strategy can help improve the odds of survival. Researchers have found some of the biological mechanisms behind this suspension of embryonic development. Similar reversible dormant states are also found in some cancer tumors.
2h
Long-term learning requires new nerve insulation
Scientists have discovered that mice quickly learn a fearful response to a situation perceived as threatening, but for such a conditioned response to become long-lasting requires brain cells to increase amounts of an insulating material called myelin.
2h
New technology could help solve AI's 'memory bottleneck'
Electrical engineers have developed a new magnetic memory device that could potentially support the surge of data-centric computing, which requires ever-increasing power, storage and speed.
2h
Black News Channel to air 24-7 content 'by' and 'for' African Americans
The channel aims to fill a "void" in mainstream media by telling stories and covering issues that matter to African Americans, according to the channel's website. BNC will feature all-black on-air talent, and it aims to be nonpartisan. Some have questioned how African Americans will respond to the channel, which launched Feb. 10. American TV news channels may feature black hosts and commentators,
2h
Coronavirus hurts Asia-Pacific currencies on China fears
Australia and Thailand worst hit on concern over Chinese demand for minerals and tourism
2h
Judge Rules That T-Mobile Can Acquire Sprint
The deal would reduce the number of big national carriers from four to three. Dish Network says it will build a replacement, but skeptics doubt its commitment.
2h
Mass General Hospital researchers identify new 'universal' target for antiviral treatment
Researchers at Massachusetts General Hospital have uncovered a novel potential antiviral drug target that could lead to treatments protecting against a host of infectious diseases.
2h
This Is What an Unleashed Trump Looks Like
Updated on February 11 at 5:51 p.m. The Senate's acquittal of Donald Trump elicited predictions that the president would now be "unleashed," freed to do as he pleased. His actions over the past few days offer a first glimpse of what that might look like. With the threat of accountability gone, or at least diminished, Trump is bestowing favor on his loyal defenders, and visiting revenge on those h
2h
Ancient Antarctic ice melt increased sea levels by 3+ meters — and it could happen again
Rising ocean temperatures drove the melting of Antarctic ice sheets and caused extreme sea level rise more than 100,000 years ago, a new international study led by UNSW Sydney shows – and the scientists say we're headed in that direction again.
2h
Telemedicine helps pregnant women tackle taboo issue
Getting pregnant while on opioids is a serious concern. Research by Medical University of South Carolina investigators reported in JAMA Network Open could ensure more women get the right help via telemedicine.
2h
Frailty can affect how well older adults fare following emergency surgery
A new study in the Journal of the American Geriatrics Society sought to gain more information about how frailty affects older adults in the months after surgery. The research team wanted to test their theory that these people would have a higher risk for death a year after surgery, have higher rates of being sent to long-term care facilities rather than to their homes, and have poorer health one y
2h
Brazilian Government Limits Academics' Conference Attendance
The Ministry of Education's new rule says only one federally employed researcher per institution can attend international scholarly meetings, Times Higher Education reports.
2h
Casting light on the brain's inner workings
A team of engineers has created an ultra-small, wireless, battery-free device that uses light to record individual neurons so neuroscientists can see how the brain is working.
2h
Replacing animal testing with synthetic cell scaffolds
Electrospun synthetic cell scaffolds are not only more consistent than animal cells for cancer research, they hold the potential to replace animal testing.
2h
Casting light on the brain's inner workings
A team of engineers has created an ultra-small, wireless, battery-free device that uses light to record individual neurons so neuroscientists can see how the brain is working.
2h
Combining viral genomics and public health data revealed new details about mumps outbreaks
In 2016 and 2017, a surge of mumps cases at Boston-area universities prompted researchers to study mumps virus transmission using genomic data, in collaboration with the Massachusetts Department of Public Health and local university health services. As the outbreaks unfolded, the teams analyzed mumps virus genomes collected from patients, revealing new links between cases that first appeared unrel
2h
Pilot program aims to improve reproducibility, utility, and ethics of biomedical research
Addressing the widespread concern over transparency and reproducibility in biomedical research, one of the largest institutions in science has begun to provide a framework, interventions, and incentives for improving the quality and value of translational research.
2h
Injectable drug for faster healing of bone fractures prepares for clinical trials
Researchers are moving closer to the start of clinical trials for a novel injectable drug that is targeted to heal broken bones faster and strengthen weak bones.
2h
More than just a carnival trick: Researchers can guess your age based on your microbes
Researchers reveal a new understanding of how our microbiomes change as we age, setting the stage for future research on the role microbes play in accelerating or decelerating the aging process and influencing age-related diseases.
2h
Climate change could trigger more landslides in High Mountain Asia
More frequent and intense rainfall events due to climate change could cause more landslides in the High Mountain Asia region of China, Tibet and Nepal, according to the first quantitative study of the link between precipitation and landslides in the region.
2h
'Reverse fuel cell' converts waste carbon to valuable products at record rates
Fuel cells turn chemicals into electricity. Now, an engineering team has adapted technology from fuel cells to do the reverse: harness electricity to make valuable chemicals from waste carbon (CO2).
2h
NASA: Next Moon Landing Will Cost About $35 Billion
Lunar Bonus Returning humans to the Moon by 2024 isn't going to be easy — or cheap. On Monday, NASA human spaceflight chief Doug Loverro announced that the agency will need $35 billion over the next four years to successfully complete the Artemis mission — and that the cash will need to be in addition to NASA's existing budget. Big Spender Loverro shared the news in conjunction with President Don
2h
Equities signal green while amber flashes elsewhere
Mike Mackenzie's daily analysis of what's moving global markets
2h
'Atomic dance' reveals new insights into performance of 2D materials
A Northwestern Engineering team used electron microscopy to observe the cause of failure in a widely used 2D material, which could help researchers develop more stable and reliable materials for flexible electronic devices.
2h
The surprising weather that typhoons bring to the 'Maritime Continent'
Nature, Published online: 11 February 2020; doi:10.1038/d41586-020-00395-9 Strong typhoons in the western Pacific Ocean funnel water vapour east — with effects on Asia's populous island nations.
2h
NASA shuts down the incredible Spitzer Space Telescope
One of NASA's most important telescopes has been put to sleep in space. The infrared Spitzer Space telescope made a number of science-shaking discoveries over the course of its 16-year lifespan. Without Spitzer, we wouldn't know about the TRAPPIST-1 exoplanets. It was one of NASA's four Great Observatories. Each of the telescopes was tuned to its own wavelength of light, watching the universe in
2h
Storm-induced sea level spikes differ in origin on US east, Gulf coasts
The Gulf Coast, especially New Orleans, is particularly vulnerable to storm surge. As the climate warms, the region will be even more susceptible to extreme storm surges, according to new research.
2h
Casting light on the brain's inner workings
A team of engineers from University of Arizona, George Washington University and Northwestern University have created an ultra-small, wireless, battery-free device that uses light to record individual neurons so neuroscientists can see how the brain is working.
3h
Become a Wikipedia master by accessing special pages and other handy tricks
Just a normal weekend: chillin' on the couch, surfin' the ol' Wiki. (Valuavitaly via Depositphotos/) Wikipedia now boasts more than 5.5 million English-language articles on everything from the 19th century Uruguayan War to the final episode of Game of Thrones . It's a hugely useful resource, but you'll get even more out of it if you know a few tricks that will help you get around the site faster.
3h
These Unique, High-Tech Valentine's Day Gifts Will Spice Up Your Love Life
It's almost Valentine's Day , and you know what that means: it's time to prove your love to your significant other through the power of cutting edge technology . And here we have a breakdown of several of the best toys, gadgets, and wearables that can enhance even the most jaded, calcified love connections. So take a look at some of our favorite Valentine's Day gifts for 2020. From naughty to nic
3h
This cancer treatment gives patients night-vision, and we finally know why
In the early 2000s, it was reported that some cancer patients being treated with chlorin e6 were experiencing enhanced night vision. Using a molecular simulation, researchers discovered that a chlorin e6 injection under infrared light activates vision by changing retinal in the same way that visible light does. Researchers hope that this chemical reaction could one day be harnessed to help treat
3h
Replacing animal testing with synthetic cell scaffolds
Electrospun synthetic cell scaffolds are not only more consistent than animal cells for cancer research, they hold the potential to replace animal testing.
3h
How teachers can help students navigate trauma | Lisa Godwin
"To make a difference in the life of a child … I made the commitment to tell my personal story," says educator Lisa Godwin. In this moving talk, she shares her experience of overcoming childhood trauma with the quiet, unwavering support of a teacher and school counselor — and shows how educators can help students and families navigate hardships by sharing their own stories.
3h
Scientists Compare Novel Coronavirus with SARS and MERS Viruses
Researchers find 380 amino acid substitutions between 2019-nCoV and severe acute respiratory syndrome (SARS)-related coronaviruses.
3h
Beloved Colombian hippos pose environmental dilemma
At dusk, the street lights flicker on around a city park, located not far from the Magdalena River in Colombia. An enormous figure emerges from the shadows. It lumbers forward, stopping to graze on the grass. The scene verges on surreal: A hippopotamus—in South America.
3h
Beloved Colombian hippos pose environmental dilemma
At dusk, the street lights flicker on around a city park, located not far from the Magdalena River in Colombia. An enormous figure emerges from the shadows. It lumbers forward, stopping to graze on the grass. The scene verges on surreal: A hippopotamus—in South America.
3h
Why people post 'couple photos' as their social media profile pictures
As you scroll through your Facebook news feed, you see it: Your friend has posted a new profile picture. But instead of a picture of just your friend, it's a couple photo – a picture of your friend and their romantic partner. "Why would someone choose that as their profile picture?" you wonder. We are social psychology researchers interested in understanding people's behavior in close relationshi
3h
Draft US law to make plastic industry responsible for recycling
Carry your own cup to the coffee shop. Recycle that soda bottle. Say no to straws.
3h
Lithium-Sulfur Batteries Could Be Cheaper & More Energy Dense (claims it is "close to commercialization")
submitted by /u/MesterenR [link] [comments]
3h
Researchers have made an advance in the control of terahertz quantum cascade lasers, which could lead to the transmission of data at the rate of 100 gigabits per second — around one thousand times quicker than a fast Ethernet operating at 100 megabits a second.
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3h
World's 1st 3D Printed Neighborhood Being Built In Mexico
submitted by /u/BDB_JCD [link] [comments]
3h
Storm-induced sea level spikes differ in origin on US East, Gulf coasts
The U.S. East and Gulf Coasts differ in how ocean and atmospheric circulation and sea level interact to produce storm surges, and both regions will experience greater storm surges as global warming progresses, according to new research from a University of Arizona-led team.
3h
Inquiry-based labs give physics students experimental edge
New Cornell University research shows that traditional physics labs, which strive to reinforce the concepts students learn in lecture courses, can actually have a negative impact on students. At the same time, nontraditional, inquiry-based labs that encourage experimentation can improve student performance and engagement without lowering exam scores.
3h
Local genetic adaption helps sorghum crop hide from witchweed
Sorgum crops in areas where the parasite witchweed is common have locally adapted to have mutations in a particular gene, which helps the plant resist the parasite. A new study led by researchers at Penn State reveals the effects of this mutation, as well as other genes that might confer parasite resistance.
3h
Anatomical details of rare electric fish revealed by an advanced imaging technique
Thanks to the use of high-resolution microcomputed tomography, a cross-border research collaboration was able to study the only three known specimens of Tembeassu marauna, held at the University of São Paulo's Zoology Museum.
3h
Inquiry-based labs give physics students experimental edge
New Cornell University research shows that traditional physics labs, which strive to reinforce the concepts students learn in lecture courses, can actually have a negative impact on students. At the same time, nontraditional, inquiry-based labs that encourage experimentation can improve student performance and engagement without lowering exam scores.
3h
Interactive map tracks the coronavirus outbreak
A new interactive map for the novel coronavirus outbreak aims to answer two questions in real time: Where and how many people have gotten sick? Geographer Bo Zhao produced the interactive map of the coronavirus , which updates every few hours with data from the Centers for Disease Control and Prevention, the World Health Organization, the People's Republic of China, and other government agencies,
3h
Judge tosses EPA policy that barred agency grantees from serving as science advisers
Agency needs to provide "reasoned explanation" for change, ruling says
4h
Iran Tries to Pass Off $20 Walmart Costume as Space Suit
Costume Party Iran's Minister of Information and Communications Technology Mohammad-Javad Azari Jahromi uploaded an image to Twitter last week with the caption "astronaut costume #bright_future." But users were quick to point out that the alleged space suit was actually a $20 Halloween costume , sold by online retailers including Amazon and Walmart . لباس فضانوردان #آینده_روشن pic.twitter.com/DBV
4h
Tyrannosaurus species named 'Reaper of Death' found in Canada
The fossils of the predator, which stood around 8ft (2.4m) tall, were found by a farmer in Alberta.
4h
Storm-induced sea level spikes differ in origin on US east, gulf coasts
The Gulf Coast, especially New Orleans, is particularly vulnerable to storm surge. As the climate warms, the region will be even more susceptible to extreme storm surges, according to new research.
4h
Flipboard TV: Price, Details, Release Date
The news aggregator Flipboard is charging $3 per month for its ad-free video service.
4h
China's Hacking Spree Will Have a Decades-Long Fallout
Equifax. Anthem. Marriott. OPM. The data that China has amassed about US citizens will power its intelligence activities for a generation.
4h
First-in-human robotic supermicrosurgery using a dedicated microsurgical robot for treating breast cancer-related lymphedema: a randomized pilot trial
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-019-14188-w Reconstructive microsurgery is limited by the precision that human hands can achieve. Here, the authors demonstrate in a randomized clinical pilot trial the feasibility of robot-assisted supermicrosurgery using a dedicated microsurgical robot for the completion of lymphatico-venous anastomosis in the treatme
4h
Maternal paraben exposure triggers childhood overweight development
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-019-14202-1 Parabens are preservatives widely used in consumer products including cosmetics and food. Here the authors demonstrate that maternal paraben exposure may contribute to childhood overweight development by an altered neuronal appetite regulation.
4h
Boston Dynamics' Robot Dog Is Going to Work on an Oil Rig
Danger Zone Oil rigs can be incredibly dangerous , making the structures an ideal target for automation. To that end, oil producer Aker BP and AI software company Cognite have announced plans to test several robots and drones on Aker BP's Skarv installation in the Norwegian Sea this year — including Boston Dynamics' popular robot dog Spot. Sea Pup Aker BP and Cognite have already put Spot to the
4h
Studies gauge effect of soft drink taxation, advertising and labeling laws
Laws affecting the labeling, marketing and taxation of sugary soft drinks impact the behavior of both consumers and manufacturers, according to two studies published this week in PLOS Medicine.
4h
'Rosalind Franklin': Europe's Mars rover heads for fit checks
The six-wheeled robot survives the simulated conditions it'll experience on the Red Planet.
4h
Deforested parts of Amazon 'emitting more CO2 than they absorb'
Up to a fifth of the Amazon rainforest has become a net source of CO2, research suggests.
4h
Canada's Newest Tyrannosaur Is Named for a 'Reaper of Death'
The specimen is older than T. Rex and other famous members of its family, which could fill in this apex predator's family tree.
4h
NASA Soars and Others Plummet in Trump's Budget Proposal
U.S. research sees deep cuts in the president's request for 2021. But Congress has resisted similar reductions in the past — Read more on ScientificAmerican.com
4h
Utah researchers discover key protein in endometrial cancer growth
New research, published today in the journal Cancer Research, outlines findings scientists hope will advance our understanding of endometrial cancer and lead to more effective treatments.
4h
Digital intervention reduces depressive symptoms in people living with HIV
New study by Dr. Alicia Hong, Professor at George Mason University's College of Health and Human Services and her colleagues in China tests WeChat social media app intervention with 300 people living with HIV.
4h
Research points to potential brain marker of stress and its effects on problem solving
Stress response is the body's normal physiological reaction to a situation that it perceives as threatening. However, stress can also impact important aspects of thinking, including problem solving. Researchers from the University of Missouri School of Medicine and the MU Thompson Center for Autism and Neurodevelopmental Disorders have discovered a potential indicator of how stress affects the bra
4h
Injectable drug for faster healing of bone fractures prepares for clinical trials
Novosteo, a Purdue University-affiliated startup, is moving closer to the start of clinical trials for a novel injectable drug that is targeted to heal broken bones faster and strengthen weak bones.
4h
Combining viral genomics and public health data revealed new details about mumps outbreaks
In 2016 and 2017, a surge of mumps cases at Boston-area universities prompted researchers to study mumps virus transmission using genomic data, in collaboration with the Massachusetts Department of Public Health and local university health services. As the outbreaks unfolded, the teams analyzed mumps virus genomes collected from patients, revealing new links between cases that first appeared unrel
4h
Pilot program aims to improve reproducibility, utility, and ethics of biomedical research
Addressing the widespread concern over transparency and reproducibility in biomedical research, one of the largest institutions in German science has begun to provide a framework, interventions, and incentives for improving the quality and value of translational research. The program is described by its leader, Ulrich Dirnagl of Berlin Institute of Health (BIH), and colleagues in a new article pub
4h
Software updates slowing you down?
We've all shared the frustration — software updates that are intended to make our applications run faster inadvertently end up doing just the opposite. These bugs, dubbed in the computer science field as performance regressions, are time-consuming to fix since locating software errors normally requires substantial human intervention.
4h
Disease found in fossilized dinosaur tail afflicts humans to this day
Researchers have identified a benign tumor found in a fossilized dinosaur tail as part of the pathology of LCH (Langerhans cell histiocytosis), a rare and sometimes painful disease that still afflicts humans, particularly children under the age of 10.
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4h
Dad bod & dad brain: how a man's brain changes when he becomes a father
In the first days and weeks of fatherhood, a man's testosterone and cortisol levels decrease and oxytocin, estrogen, and prolactin levels surge, promoting an important bonding experience between a father and his newborn child. One of the most significant changes in a new father's brain is the new neurons that are formed that have been proved to be directly linked to the time spent with their newb
4h
App Checks Whether You've Come in Contact With Deadly Coronavirus
China released an app over the weekend that lets residents check to see if they've come in "close contact" with Covid-19 , the coronavirus that's killed more than a thousand people in the nation. According to Chinese state-run media agency Xinhua , app users must scan a QR code on one of several popular Chinese apps, such as WeChat, to make an inquiry. Next, they register their phone number and e
5h
Hot climates to see more variability in tree leafing as temperatures rise
Scientists found that while all regions of the country can expect an earlier start to the growing season as temperatures rise, the trend is likely to become more variable year-over-year in hotter regions.
5h
Researchers look to fungus to shed light on cancer
Researchers found that a natural product from the fungus Fusicoccum amygdali stabilizes a family of proteins in the cell that mediate important signaling pathways involved in the pathology of cancer and neurological diseases.
5h
Trial shows using two drugs not better than one when treating MRSA blood infections
Researchers attempting to improve the treatment for methicillin-resistant Staphylococcus aureus (MRSA) blood infections have discovered the combination of two antibiotics was no better than one, and led to more adverse effects. In what is the biggest trial of MRSA bloodstream infections to date, (352 participants from Australia, Singapore, New Zealand and Israel), the CAMERA2 clinical trial, resea
5h
Feral Dogs Respond to Human Hand Cues
Most feral dogs that did not run away from humans were able to respond to hand cues about the location of food, even without training.
5h
Let's watch Samsung announce new smartphones and gadgets at its Unpacked 2020 event
If you follow the tech press at all, you probably have a pretty good idea about what Samsung has planned for today's Galaxy Unpacked event in San Francisco. It looks like we're getting a new, smaller folding screen phone called the Galaxy Z Flip—we even caught a sneak peak of it at the Oscars—as well as a new flagship phone in the form of the Galaxy S20. But, these events typically encompass a lo
5h
Samsung Galaxy S20, S20+, S20 Ultra: Price, Specs, Release Date
The company unveiled three new Galaxy phones, new earbuds, and a few surprises.
5h
Samsung Galaxy S20, S20+, S20 Ultra Hands On: New Cameras, 8K, and 5G
The three new phones also have 120 Hz screens, big batteries, and tons of megapixels, but they sure are expensive.
5h
New Research: Marijuana Can Lead to False Memory Formation
It's a common trope of stoner comedies that smoking weed makes users forgetful — but now it turns out it can also make them "remember" things that never happened. New research showed that people who vaped THC were more susceptible to developing false memories than those who didn't, Inverse reports . The finding is troubling, and not just from the existential angst of knowing one's memories aren't
5h
The CIA Secretly Ran One of the World's Largest Encryption Firms for Decades
For decades, Swiss firm Crypto AG supplied governments around the world with encrypted communication systems. Most of its 62 customers never suspected anything was amiss, but a new report from The Washington Post and German broadcaster ZDF reveals that Crypto AG was actually owned by the CIA and West German intelligence (BND) . For decades, the agencies effortlessly eavesdropped on the secure com
5h
Researchers look to fungus to shed light on cancer
A fungus that attacks almond and peach trees may be key to identifying new drug targets for cancer therapy.
5h
Researchers look to fungus to shed light on cancer
A fungus that attacks almond and peach trees may be key to identifying new drug targets for cancer therapy.
5h
'Zee burst' model could clarify ultra-high energy neutrinos
Physicists propose a way to use data from ultra-high energy neutrinos to study interactions beyond the standard model of particle physics. The "Zee burst" model leverages new data from large neutrino telescopes such as the IceCube Neutrino Observatory in Antarctica and its future extensions. "Neutrinos continue to intrigue us and stretch our imagination. These 'ghost particles' are the least unde
5h
Robot beats people at quick, accurate blood draws
A robot performed as well or better than people in the first human clinical trial of an automated blood draw and testing device. The device provides quick results and would allow healthcare professionals to spend more time treating patients in hospitals and other settings. The results, which appear in the journal Technology , compared to or exceeded clinical standards, with an overall success rat
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Feral Dogs Respond to Human Hand Cues
Most feral dogs that did not run away from humans were able to respond to hand cues about the location of food, even without training. — Read more on ScientificAmerican.com
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I Signed the Petition, and Now I'm Freaking Out
Israel Palestinian
In 2017, the Danish Palestinian filmmaker Mahdi Fleifel was asked to sign a petition. As part of an international tour, Radiohead was scheduled to play in Tel Aviv, and the Boycott, Divestment, and Sanctions movement was urging Palestinians across the world to protest the concert. "As a filmmaker, I've never seen myself as an activist, so I hesitated," Fleifel told me. "Should I or should I not s
5h
What's a frost quake?
Frost quakes (also known as cryoseisms) can generate tremors, thundering sensations and explosive noises. But they are weather-driven, not tectonic. Last January, as Chicago suffered through a multiday subzero freeze, local TV station WGN asked viewers whether they'd been startled by any nocturnal bangs or booms. One woman said she fretted all night about her pipes, roof and furnace. Another said
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Clostridioides difficile infection flourishes with a high-protein, high-fat diet
Mice fed a high-fat, high-protein diet were more likely to develop and die from antibiotic-driven Clostridioides difficile infections than mice fed a standard diet. In the same study, published in the journal mSystems, a high-carbohydrate diet was protective against severe C. difficile infection–but the researchers suspect that such a diet could produce healthy, asymptomatic carriers that can spr
5h
More than just a carnival trick: Researchers can guess your age based on your microbes
UC San Diego and IBM researchers reveal a new understanding of how our microbiomes change as we age, setting the stage for future research on the role microbes play in accelerating or decelerating the aging process and influencing age-related diseases.
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Feral Dogs Respond to Human Hand Cues
Most feral dogs that did not run away from humans were able to respond to hand cues about the location of food, even without training. — Read more on ScientificAmerican.com
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How bad is the Covid-19 coronavirus outbreak likely to get?
The death rate of Covid-19, caused by the new coronavirus, may be lower than some estimates suggest, but the number of cases may be much higher
5h
Feral Dogs Respond to Human Hand Cues
Most feral dogs that did not run away from humans were able to respond to hand cues about the location of food, even without training. — Read more on ScientificAmerican.com
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Ligestilling i børnehøjde: Fireårige opfatter mænd som mere magtfulde end kvinder
Og der er ingen forskel på, om børnene kommer fra Norge eller Libanon, viser forsøg.
5h
Mathematicians Are Studying Planet-Sized Quantum Computers With God-Like Powers – New research has exploded the space of problems that quantum computers can efficiently verify, simultaneously knocking down milestone problems in quantum physics and math.
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Artificial intelligence in asset management: hype or breakthrough?
submitted by /u/stormforce7916 [link] [comments]
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Yarn Made From Lab-grown Skin Could Be the New Way to Repair Wounds | Digital Trends
submitted by /u/ChickenTeriyakiBoy1 [link] [comments]
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OpenAI Performs Surgery On A Neural Network to Play DOTA 2
submitted by /u/HeinrichTheWolf_17 [link] [comments]
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More than just a carnival trick: Researchers can guess your age based on your microbes
Our microbiomes—the complex communities of microbes that live in, on and around us—are influenced by our diets, habits, environments and genes, and are known to change with age. In turn, the makeup of our microbiomes, particularly in the gut, is well-recognized for its influence on our health. For example, gut microbiome composition has been linked to inflammatory bowel disease, autoimmune disease
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Correction for Hammond et al., Insights into the lower torso in late Miocene hominoid Oreopithecus bambolii [Correction]
ANTHROPOLOGY Correction for "Insights into the lower torso in late Miocene hominoid Oreopithecus bambolii," by Ashley S. Hammond, Lorenzo Rook, Alisha D. Anaya, Elisabetta Cioppi, Loïc Costeur, Salvador Moyà-Solà, and Sergio Almécija, which was first published December 23, 2019; 10.1073/pnas.1911896116 (Proc. Natl. Acad. Sci. U.S.A. 117, 278–284). The editors note…
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Correction for Brutsaert et al., Association of EGLN1 gene with high aerobic capacity of Peruvian Quechua at high altitude [Correction]
ANTHROPOLOGY Correction for "Association of EGLN1 gene with high aerobic capacity of Peruvian Quechua at high altitude," by Tom D. Brutsaert, Melisa Kiyamu, Gianpietro Elias Revollendo, Jenna L. Isherwood, Frank S. Lee, Maria Rivera-Ch, Fabiola Leon-Velarde, Sudipta Ghosh, and Abigail W. Bigham, which was first published November 11, 2019; 10.1073/pnas.1906171116…
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In This Issue [This Week in PNAS]
Mayfly declines in North American waterways Adult mayfly following an emergence on Lake Erie. Seasonal animal movements drive the transport of biomass and nutrients between ecosystems, thereby influencing community structure and ecosystem function. However, quantifying such movements at ecosystem scales remains technically challenging. Phillip Stepanian et al. (pp. 2987–2992) used…
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Mechanisms for Ca2+-dependent permeability transition in mitochondria [Biological Sciences]
In a recent study in cells lacking an assembled F-ATP synthase the conclusion was reached that this enzyme cannot form the mitochondrial permeability transition pore (PTP) (1). As in previous studies (2, 3) the key argument is that mitochondria still undergo cyclosporin A (CsA)-sensitive swelling and Ca2+-induced Ca2+release (1–3). The…
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Reply to Bernardi: The mitochondrial permeability transition pore and the ATP synthase [Biological Sciences]
The mitochondrial permeability transition pore (PTP) is a physiological phenomenon lacking a molecular basis. The phenomenon, described over 40 y ago, is that in response to elevated levels of Ca2+ ions in the mitochondrial matrix a nonspecific channel opens, water enters the mitochondria, their cristae swell, their membranes rupture, terminating…
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Did giant and large dsDNA viruses originate before their eukaryotic hosts? [Biological Sciences]
Guglielmini et al. (1) present phylogenetic trees of cellular organisms and Nucleo-Cytoplasmic Large DNA Viruses (NCLDVs) based on two subunits of DNA-dependent RNA polymerase (RNAP) and conclude that NCLDVs originated before their eukaryotic hosts and contributed RNAP to eukaryotes. While the study might provide insights into NCLDV phylogeny, the main…
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Reply to Ku and Sun: Ancestors of modern giant and large eukaryotic dsDNA viruses infected proto-eukaryotes [Biological Sciences]
In Guglielmini et al. (1), we analyze the evolutionary relationships between Nucleo-Cytoplasmic Large DNA Viruses (NCLDVs) and the cellular domains based on the two largest universal markers, that is, the two largest RNA polymerase subunits (RNAP). We conclude that NCLDVs diversified before the emergence of the last eukaryotic common ancestor…
5h
QnAs with Roger J. Davis [QnAs]
The human body's response to stress can contribute to metabolic dysfunction, inflammation, and cancer. Roger J. Davis has spent his career elucidating the mechanisms underlying such stress responses. A professor of molecular medicine at the University of Massachusetts Medical School at Worcester, Davis was elected to the National Academy of…
5h
Reconceptualizing public engagement by land-grant university scientists [Social Sciences]
Those in the Rose et al. (1) study share a common land-grant heritage and the charter and obligations it carries. As faculty members in tenure track, they also are incentivized by similar rewards and constraints. Accordingly, their perceptions can provide insight into ways that these institutions can better honor their…
5h
Tool-using puffins prickle the puzzle of cognitive evolution [Evolution]
In PNAS, Fayet et al. (1) report on two cases of tool use in a seabird. In two distant populations they recorded Arctic puffins (Fratercula arctica) using sticks to scratch themselves (Fig. 1). The documentation of tool use in this species expands the ever-growing list of tool-using birds through rare…
5h
Cystic fibrosis heterozygosity: Carrier state or haploinsufficiency? [Genetics]
Cystic fibrosis (CF) is a common genetic disorder, caused by mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. The CFTR gene encodes a transmembrane chloride channel, which is important for key physiological functions, such as production of sweat and mucus, as well as mucociliary clearance in the lungs…
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Selectivity filter modalities and rapid inactivation of the hERG1 channel [Chemistry]
The human ether-á-go-go–related gene (hERG1) channel conducts small outward K+ currents that are critical for cardiomyocyte membrane repolarization. The gain-of-function mutation N629D at the outer mouth of the selectivity filter (SF) disrupts inactivation and K+-selective transport in hERG1, leading to arrhythmogenic phenotypes associated with long-QT syndrome. Here, we combined computational…
5h
Landscape context affects the sustainability of organic farming systems [Agricultural Sciences]
Organic agriculture promotes sustainability compared to conventional agriculture. However, the multifunctional sustainability benefits of organic farms might be mediated by landscape context. Assessing how landscape context affects sustainability may aid in targeting organic production to landscapes that promote high biodiversity, crop yields, and profitability. We addressed this using a meta-anal
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Structural analysis of the intrinsically disordered splicing factor Spp2 and its binding to the DEAH-box ATPase Prp2 [Biophysics and Computational Biology]
The spliceosome consists of five small RNAs and more than 100 proteins. Almost 50% of the human spliceosomal proteins were predicted to be intrinsically disordered or to contain disordered regions, among them the G-patch protein Spp2. The G-patch region of Spp2 binds to the DEAH-box ATPase Prp2, and both proteins…
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Precision medicine integrating whole-genome sequencing, comprehensive metabolomics, and advanced imaging [Genetics]
Genome sequencing has established clinical utility for rare disease diagnosis. While increasing numbers of individuals have undergone elective genome sequencing, a comprehensive study surveying genome-wide disease-associated genes in adults with deep phenotyping has not been reported. Here we report the results of a 3-y precision medicine study with a goal…
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Endothelial sphingosine 1-phosphate receptors promote vascular normalization and antitumor therapy [Medical Sciences]
Sphingosine 1-phosphate receptor-1 (S1PR1) is essential for embryonic vascular development and maturation. In the adult, it is a key regulator of vascular barrier function and inflammatory processes. Its roles in tumor angiogenesis, tumor growth, and metastasis are not well understood. In this paper, we show that S1PR1 is expressed and…
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GABA-mediated tonic inhibition differentially modulates gain in functional subtypes of cortical interneurons [Neuroscience]
The binding of GABA (γ-aminobutyric acid) to extrasynaptic GABAA receptors generates tonic inhibition that acts as a powerful modulator of cortical network activity. Despite GABA being present throughout the extracellular space of the brain, previous work has shown that GABA may differentially modulate the excitability of neuron subtypes according to…
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Archaeological evidence for two separate dispersals of Neanderthals into southern Siberia [Anthropology]
Neanderthals were once widespread across Europe and western Asia. They also penetrated into the Altai Mountains of southern Siberia, but the geographical origin of these populations and the timing of their dispersal have remained elusive. Here we describe an archaeological assemblage from Chagyrskaya Cave, situated in the Altai foothills, where…
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Organelle-specific targeting of polymersomes into the cell nucleus [Applied Biological Sciences]
Organelle-specific nanocarriers (NCs) are highly sought after for delivering therapeutic agents into the cell nucleus. This necessitates nucleocytoplasmic transport (NCT) to bypass nuclear pore complexes (NPCs). However, little is known as to how comparably large NCs infiltrate this vital intracellular barrier to enter the nuclear interior. Here, we developed nuclear…
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RNA sequencing by direct tagmentation of RNA/DNA hybrids [Applied Biological Sciences]
Transcriptome profiling by RNA sequencing (RNA-seq) has been widely used to characterize cellular status, but it relies on second-strand complementary DNA (cDNA) synthesis to generate initial material for library preparation. Here we use bacterial transposase Tn5, which has been increasingly used in various high-throughput DNA analyses, to construct RNA-seq libraries…
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Observation of an apparent first-order glass transition in ultrafragile Pt-Cu-P bulk metallic glasses [Applied Physical Sciences]
An experimental study of the configurational thermodynamics for a series of near-eutectic Pt80-xCuxP20 bulk metallic glass-forming alloys is reported where 14 < x < 27. The undercooled liquid alloys exhibit very high fragility that increases as x decreases, resulting in an increasingly sharp glass transition. With decreasing x, the extrapolated…
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Fast-freezing kinetics inside a droplet impacting on a cold surface [Applied Physical Sciences]
Freezing or solidification of impacting droplets is omnipresent in nature and technology, be it a rain droplet falling on a supercooled surface; in inkjet printing, where often molten wax is used; in additive manufacturing or metal-production processes; or in extreme ultraviolet lithography (EUV) for the chip production, where molten tin…
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A precisely positioned MED12 activation helix stimulates CDK8 kinase activity [Biochemistry]
The Mediator kinase module regulates eukaryotic transcription by phosphorylating transcription-related targets and by modulating the association of Mediator and RNA polymerase II. The activity of its catalytic core, cyclin-dependent kinase 8 (CDK8), is controlled by Cyclin C and regulatory subunit MED12, with its deregulation contributing to numerous malignancies. Here, we…
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An RNA polymerase ribozyme that synthesizes its own ancestor [Biochemistry]
The RNA-based organisms from which modern life is thought to have descended would have depended on an RNA polymerase ribozyme to copy functional RNA molecules, including copying the polymerase itself. Such a polymerase must have been capable of copying structured RNAs with high efficiency and high fidelity to maintain genetic…
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Skin permeability barrier formation by the ichthyosis-causative gene FATP4 through formation of the barrier lipid {omega}-O-acylceramide [Biochemistry]
The epidermis-specific lipid acylceramide plays a pivotal role in the formation of the permeability barrier in the skin; abrogation of its synthesis causes the skin disorder ichthyosis. However, the acylceramide synthetic pathway has not yet been fully elucidated: Namely, the acyl-CoA synthetase (ACS) involved in this pathway remains to be…
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Release of a disordered domain enhances HspB1 chaperone activity toward tau [Biochemistry]
Small heat shock proteins (sHSPs) are a class of ATP-independent molecular chaperones that play vital roles in maintaining protein solubility and preventing aberrant protein aggregation. They form highly dynamic, polydisperse oligomeric ensembles and contain long intrinsically disordered regions. Experimental challenges posed by these properties have greatly impeded our understanding of…
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Combinatorial protein-protein interactions on a polymerizing scaffold [Biophysics and Computational Biology]
Scaffold proteins organize cellular processes by bringing signaling molecules into interaction, sometimes by forming large signalosomes. Several of these scaffolds are known to polymerize. Their assemblies should therefore not be understood as stoichiometric aggregates, but as combinatorial ensembles. We analyze the combinatorial interaction of ligands loaded on polymeric scaffolds, in…
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Conformational changes upon gating of KirBac1.1 into an open-activated state revealed by solid-state NMR and functional assays [Biophysics and Computational Biology]
The conformational changes required for activation and K+ conduction in inward-rectifier K+ (Kir) channels are still debated. These structural changes are brought about by lipid binding. It is unclear how this process relates to fast gating or if the intracellular and extracellular regions of the protein are coupled. Here, we…
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Microtubules regulate cardiomyocyte transversal Young's modulus [Cell Biology]
The field of cardiomyocyte mechanobiology is gaining significant attention, due to accumulating evidence concerning the significant role of cellular mechanical effects on the integrated function of the heart. To date, the protein titin has been demonstrated as a major contributor to the cardiomyocytes Young's modulus (YM). The microtubular network represents…
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Structural instability and divergence from conserved residues underlie intracellular retention of mammalian odorant receptors [Cell Biology]
Mammalian odorant receptors are a diverse and rapidly evolving set of G protein-coupled receptors expressed in olfactory cilia membranes. Most odorant receptors show little to no cell surface expression in nonolfactory cells due to endoplasmic reticulum retention, which has slowed down biochemical studies. Here we provide evidence that structural instability…
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Tetraspanins TSP-12 and TSP-14 function redundantly to regulate the trafficking of the type II BMP receptor in Caenorhabditis elegans [Cell Biology]
Tetraspanins are a unique family of 4-pass transmembrane proteins that play important roles in a variety of cell biological processes. We have previously shown that 2 paralogous tetraspanins in Caenorhabditis elegans, TSP-12 and TSP-14, function redundantly to promote bone morphogenetic protein (BMP) signaling. The underlying molecular mechanisms, however, are not…
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Modeling the transport of nuclear proteins along single skeletal muscle cells [Cell Biology]
Skeletal muscle cells contain hundreds of myonuclei within a shared cytoplasm, presenting unique challenges for regulating gene expression. Certain transcriptional programs (e.g., postsynaptic machinery) are segregated to specialized domains, while others (e.g., contractile proteins) do not show spatial confinement. Furthermore, local stimuli, such as denervation, can induce transcriptional respon
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Science and Culture: Dinosaur art evolves with new discoveries in paleontology [Chemistry]
Under soft museum lights, the massive skeleton of a Tyrannosaurus rex is easy to imagine fleshed out and alive, scimitar teeth glimmering. What did it look like in life? How did its face contort under the Montana sun some 66 million years ago? What color and texture was its body?…
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Sum frequency generation, calculation of absolute intensities, comparison with experiments, and two-field relaxation-based derivation [Chemistry]
The experimental sum frequency generation (SFG) spectrum is the response to an infrared pulse and a visible pulse and is a highly surface-sensitive technique. We treat the surface dangling OH bonds at the air/water interface and focus on the absolute SFG intensities for the resonant terms, a focus that permits…
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Designing a hybrid electrode toward high energy density with a staged Li+ and PF6- deintercalation/intercalation mechanism [Chemistry]
Existing lithium-ion battery technology is struggling to meet our increasing requirements for high energy density, long lifetime, and low-cost energy storage. Here, a hybrid electrode design is developed by a straightforward reengineering of commercial electrode materials, which has revolutionized the "rocking chair" mechanism by unlocking the role of anions in…
5h
Influence of Arctic sea-ice variability on Pacific trade winds [Earth, Atmospheric, and Planetary Sciences]
A conceptual model connecting seasonal loss of Arctic sea ice to midlatitude extreme weather events is applied to the 21st-century intensification of Central Pacific trade winds, emergence of Central Pacific El Nino events, and weakening of the North Pacific Aleutian Low Circulation. According to the model, Arctic Ocean warming following…
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Fire synchronizes flowering and boosts reproduction in a widespread but declining prairie species [Ecology]
Fire is an important determinant of habitat structure and biodiversity across ecosystems worldwide. In fire-dependent communities, similar to the North American prairie, fire suppression contributes to local plant extinctions. Yet the demographic mechanisms responsible for species loss have not been directly investigated. We conducted a 21-y longitudinal study of 778…
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Ocean sentinel albatrosses locate illegal vessels and provide the first estimate of the extent of nondeclared fishing [Environmental Sciences]
With threats to nature becoming increasingly prominent, in order for biodiversity levels to persist, there is a critical need to improve implementation of conservation measures. In the oceans, the surveillance of fisheries is complex and inadequate, such that quantifying and locating nondeclared and illegal fisheries is persistently problematic. Given that…
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The role of forest conversion, degradation, and disturbance in the carbon dynamics of Amazon indigenous territories and protected areas [Environmental Sciences]
Maintaining the abundance of carbon stored aboveground in Amazon forests is central to any comprehensive climate stabilization strategy. Growing evidence points to indigenous peoples and local communities (IPLCs) as buffers against large-scale carbon emissions across a nine-nation network of indigenous territories (ITs) and protected natural areas (PNAs). Previous studies have…
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Declines in an abundant aquatic insect, the burrowing mayfly, across major North American waterways [Environmental Sciences]
Seasonal animal movement among disparate habitats is a fundamental mechanism by which energy, nutrients, and biomass are transported across ecotones. A dramatic example of such exchange is the annual emergence of mayfly swarms from freshwater benthic habitats, but their characterization at macroscales has remained impossible. We analyzed radar observations of…
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Impact of past climate warming on genomic diversity and demographic history of collared lemmings across the Eurasian Arctic [Evolution]
The Arctic climate was warmer than today at the last interglacial and the Holocene thermal optimum. To reveal the impact of past climate-warming events on the demographic history of an Arctic specialist, we examined both mitochondrial and nuclear genomic variation in the collared lemming (Dicrostonyx torquatus, Pallas), a keystone species…
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Ontogeny of the anuran urostyle and the developmental context of evolutionary novelty [Evolution]
Developmental novelties often underlie the evolutionary origins of key metazoan features. The anuran urostyle, which evolved nearly 200 MYA, is one such structure. It forms as the tail regresses during metamorphosis, when locomotion changes from an axial-driven mode in larvae to a limb-driven one in adult frogs. The urostyle comprises…
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Evolutionary dynamics of recent selection on cognitive abilities [Evolution]
Cognitive abilities can vary dramatically among species. The relative importance of social and ecological challenges in shaping cognitive evolution has been the subject of a long-running and recently renewed debate, but little work has sought to understand the selective dynamics underlying the evolution of cognitive abilities. Here, we investigate recent…
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Regulation of adipose tissue inflammation by interleukin 6 [Immunology and Inflammation]
Obesity is associated with a chronic state of low-grade inflammation and progressive tissue infiltration by immune cells and increased expression of inflammatory cytokines. It is established that interleukin 6 (IL6) regulates multiple aspects of metabolism, including glucose disposal, lipolysis, oxidative metabolism, and energy expenditure. IL6 is secreted by many tissues,…
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A molecular basis for the T cell response in HLA-DQ2.2 mediated celiac disease [Immunology and Inflammation]
The highly homologous human leukocyte antigen (HLA)-DQ2 molecules, HLA-DQ2.5 and HLA-DQ2.2, are implicated in the pathogenesis of celiac disease (CeD) by presenting gluten peptides to CD4+ T cells. However, while HLA-DQ2.5 is strongly associated with disease, HLA-DQ2.2 is not, and the molecular basis underpinning this differential disease association is unresolved….
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Dysregulation of TLR9 in neonates leads to fatal inflammatory disease driven by IFN-{gamma} [Immunology and Inflammation]
Recognition of self-nucleic acids by innate immune receptors can lead to the development of autoimmune and/or autoinflammatory diseases. Elucidating mechanisms associated with dysregulated activation of specific receptors may identify new disease correlates and enable more effective therapies. Here we describe an aggressive in vivo model of Toll-like receptor (TLR) 9…
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ECM1 is an essential factor for the determination of M1 macrophage polarization in IBD in response to LPS stimulation [Immunology and Inflammation]
Inflammatory bowel disease (IBD) comprises chronic relapsing disorders of the gastrointestinal tract characterized pathologically by intestinal inflammation and epithelial injury. Here, we uncover a function of extracellular matrix protein 1 (ECM1) in promoting the pathogenesis of human and mouse IBD. ECM1 was highly expressed in macrophages, particularly tissue-infiltrated macrophages under…
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Allosteric activation of MALT1 by its ubiquitin-binding Ig3 domain [Immunology and Inflammation]
The catalytic activity of the protease MALT1 is required for adaptive immune responses and regulatory T (Treg)-cell development, while dysregulated MALT1 activity can lead to lymphoma. MALT1 activation requires its monoubiquitination on lysine 644 (K644) within the Ig3 domain, localized adjacent to the protease domain. The molecular requirements for MALT1…
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IL-4 controls activated neutrophil Fc{gamma}R2b expression and migration into inflamed ȷoints [Immunology and Inflammation]
Neutrophils are the most abundant immune cells found in actively inflamed joints of patients with rheumatoid arthritis (RA), and most animal models for RA depend on neutrophils for the induction of joint inflammation. Exogenous IL-4 and IL-13 protect mice from antibody-mediated joint inflammation, although the mechanism is not understood. Neutrophils…
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Optimization of a Plasmodium falciparum circumsporozoite protein repeat vaccine using the tobacco mosaic virus platform [Immunology and Inflammation]
Plasmodium falciparum vaccine RTS,S/AS01 is based on the major NPNA repeat and the C-terminal region of the circumsporozoite protein (CSP). RTS,S-induced NPNA-specific antibody titer and avidity have been associated with high-level protection in naïve subjects, but efficacy and longevity in target populations is relatively low. In an effort to improve…
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Remethylation of Dnmt3a-/- hematopoietic cells is associated with partial correction of gene dysregulation and reduced myeloid skewing [Medical Sciences]
Mutations in the DNA methyltransferase 3A (DNMT3A) gene are the most common cause of age-related clonal hematopoiesis (ARCH) in older individuals, and are among the most common initiating events for acute myeloid leukemia (AML). The most frequent DNMT3A mutation in AML patients (R882H) encodes a dominant-negative protein that reduces methyltransferase…
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FOXO1 and FOXO3 transcription factors have unique functions in meniscus development and homeostasis during aging and osteoarthritis [Medical Sciences]
The objective of this study was to examine FoxO expression and FoxO function in meniscus. In menisci from human knee joints with osteoarthritis (OA), FoxO1 and 3 expression were significantly reduced compared with normal menisci from young and old normal donors. The expression of FoxO1 and 3 was also significantly…
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Magnetic resonance imaging of glycogen using its magnetic coupling with water [Medical Sciences]
Glycogen plays a central role in glucose homeostasis and is abundant in several types of tissue. We report an MRI method for imaging glycogen noninvasively with enhanced detection sensitivity and high specificity, using the magnetic coupling between glycogen and water protons through the nuclear Overhauser enhancement (NOE). We show in…
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Histamine receptor agonist alleviates severe cardiorenal damages by eliciting anti-inflammatory programming [Medical Sciences]
Heart failure and chronic kidney disease are major causes of morbidity and mortality internationally. Although these dysfunctions are common and frequently coexist, the factors involved in their relationship in cardiorenal regulation are still largely unknown, mainly due to a lack of detailed molecular targets. Here, we found the increased plasma…
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High-complexity extracellular barcoding using a viral hemagglutinin [Microbiology]
While single-cell sequencing technologies have revealed tissue heterogeneity, resolving mixed cellular libraries into cellular clones is essential for many pooled screens and clonal lineage tracing. Fluorescent proteins are limited in number, while DNA barcodes can only be read after cell lysis. To overcome these limitations, we used influenza virus hemagglutinins…
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Pseudomonas aeruginosa lasR mutant fitness in microoxia is supported by an Anr-regulated oxygen-binding hemerythrin [Microbiology]
Pseudomonas aeruginosa strains with loss-of-function mutations in the transcription factor LasR are frequently encountered in the clinic and the environment. Among the characteristics common to LasR-defective (LasR−) strains is increased activity of the transcription factor Anr, relative to their LasR+ counterparts, in low-oxygen conditions. One of the Anr-regulated genes found…
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Orchestration of human macrophage NLRP3 inflammasome activation by Staphylococcus aureus extracellular vesicles [Microbiology]
Release of extracellular vesicles (EVs) is a common feature among eukaryotes, archaea, and bacteria. However, the biogenesis and downstream biological effects of EVs released from gram-positive bacteria remain poorly characterized. Here, we report that EVs purified from a community-associated methicillin-resistant Staphylococcus aureus strain were internalized into human macrophages in vitro…
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Antibiotic resistance by high-level intrinsic suppression of a frameshift mutation in an essential gene [Microbiology]
A fundamental feature of life is that ribosomes read the genetic code in messenger RNA (mRNA) as triplets of nucleotides in a single reading frame. Mutations that shift the reading frame generally cause gene inactivation and in essential genes cause loss of viability. Here we report and characterize a +1-nt…
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Wireless, battery-free subdermally implantable photometry systems for chronic recording of neural dynamics [Neuroscience]
Recording cell-specific neuronal activity while monitoring behaviors of freely moving subjects can provide some of the most significant insights into brain function. Current means for monitoring calcium dynamics in genetically targeted populations of neurons rely on delivery of light and recording of fluorescent signals through optical fibers that can reduce…
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SYNPLA, a method to identify synapses displaying plasticity after learning [Neuroscience]
Which neural circuits undergo synaptic changes when an animal learns? Although it is widely accepted that changes in synaptic strength underlie many forms of learning and memory, it remains challenging to connect changes in synaptic strength at specific neural pathways to specific behaviors and memories. Here we introduce SYNPLA (synaptic…
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A qualitative solution with quantitative potential for the mouse hippocampal cortex flatmap problem [Neuroscience]
The hippocampal formation (HPF) is a focus of intense experimental investigation, particularly because of its roles in conscious memory consolidation, spatial navigation, emotion, and motivated behaviors. However, the HPF has a complex three-dimensional geometry resulting from extreme curvature of its layers, and this presents a challenge for investigators seeking to…
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Simple spike dynamics of Purkinje cells in the macaque vestibulo-cerebellum during passive whole-body self-motion [Neuroscience]
Theories of cerebellar functions posit that the cerebellum implements internal models for online correction of motor actions and sensory estimation. As an example of such computations, an internal model resolves a sensory ambiguity where the peripheral otolith organs in the inner ear sense both head tilts and translations. Here we…
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Serotonergic afferents from the dorsal raphe decrease the excitability of pyramidal neurons in the anterior piriform cortex [Neuroscience]
The olfactory system receives extensive serotonergic inputs from the dorsal raphe, a nucleus involved in control of behavior, regulation of mood, and modulation of sensory processing. Although many studies have investigated how serotonin modulates the olfactory bulb, few have focused on the anterior piriform cortex (aPC), a region important for…
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Conservative and disruptive modes of adolescent change in human brain functional connectivity [Neuroscience]
Adolescent changes in human brain function are not entirely understood. Here, we used multiecho functional MRI (fMRI) to measure developmental change in functional connectivity (FC) of resting-state oscillations between pairs of 330 cortical regions and 16 subcortical regions in 298 healthy adolescents scanned 520 times. Participants were aged 14 to…
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Removing a single neuron in a vertebrate brain forever abolishes an essential behavior [Neuroscience]
The giant Mauthner (M) cell is the largest neuron known in the vertebrate brain. It has enabled major breakthroughs in neuroscience but its ultimate function remains surprisingly unclear: An actual survival value of M cell-mediated escapes has never been supported experimentally and ablating the cell repeatedly failed to eliminate all…
5h
The Nernst effect in Corbino geometry [Physics]
We study the manifestation of the Nernst effect in the Corbino disk subjected to the normal external magnetic field and to the radial temperature gradient. The Corbino geometry offers a precious opportunity for the direct measurement of the magnetization currents that are masked by kinetic contributions to the Nernst current…
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Theory of the strange metal Sr3Ru2O7 [Physics]
The bilayer perovskite Sr3Ru2O7 has been widely studied as a canonical strange metal. It exhibits T-linear resistivity and a T log(1/T) electronic specific heat in a field-tuned quantum critical fan. Criticality is known to occur in "hot" Fermi pockets with a high density of states close to the Fermi energy….
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Central clock components modulate plant shade avoidance by directly repressing transcriptional activation activity of PIF proteins [Plant Biology]
Light-environment signals, sensed by plant phytochrome photoreceptors, are transduced to target genes through direct regulation of PHYTOCHROME-INTERACTING FACTOR (PIF) transcription factor abundance and activity. Previous genome-wide DNA-binding and expression analysis has identified a set of genes that are direct targets of PIF transcriptional regulation. However, quantitative analysis of promote
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Mapping proteome-wide targets of protein kinases in plant stress responses [Plant Biology]
Protein kinases are major regulatory components in almost all cellular processes in eukaryotic cells. By adding phosphate groups, protein kinases regulate the activity, localization, protein–protein interactions, and other features of their target proteins. It is known that protein kinases are central components in plant responses to environmental stresses such as…
5h
ARABIDOPSIS DEHISCENCE ZONE POLYGALACTURONASE 1 (ADPG1) releases latent defense signals in stems with reduced lignin content [Plant Biology]
There is considerable interest in engineering plant cell wall components, particularly lignin, to improve forage quality and biomass properties for processing to fuels and bioproducts. However, modifying lignin content and/or composition in transgenic plants through down-regulation of lignin biosynthetic enzymes can induce expression of defense response genes in the absence…
5h
Reciprocity and behavioral heterogeneity govern the stability of social networks [Psychological and Cognitive Sciences]
The dynamics of social networks can determine the transmission of information, the spread of diseases, and the evolution of behavior. Despite this broad importance, a general framework for predicting social network stability has not been proposed. Here we present longitudinal data on the social dynamics of a cooperative bird species,…
5h
Transformation of speech sequences in human sensorimotor circuits [Psychological and Cognitive Sciences]
After we listen to a series of words, we can silently replay them in our mind. Does this mental replay involve a reactivation of our original perceptual dynamics? We recorded electrocorticographic (ECoG) activity across the lateral cerebral cortex as people heard and then mentally rehearsed spoken sentences. For each region,…
5h
Uncertainty in learning, choice, and visual fixation [Psychological and Cognitive Sciences]
Uncertainty plays a critical role in reinforcement learning and decision making. However, exactly how it influences behavior remains unclear. Multiarmed-bandit tasks offer an ideal test bed, since computational tools such as approximate Kalman filters can closely characterize the interplay between trial-by-trial values, uncertainty, learning, and choice. To gain additional insight…
5h
How social network sites and other online intermediaries increase exposure to news [Social Sciences]
People can come across news and other internet offerings in a variety of ways, for example, by visiting their favorite websites, using search engines, or following recommendations from contacts on social media (1). These routes do not necessarily lead people to the same venues. While traditionally considered as an important…
5h
Market integration accounts for local variation in generalized altruism in a nationwide lost-letter experiment [Social Sciences]
What explains variation in levels of prosocial behavior across communities? And are members of the ingroup and outgroup treated differently? According to evolutionary theories of generalized altruism, market integration should lead to greater levels of prosociality: Market exchange forces people to interact with unknown others, thus creating the conditions for…
5h
Diversity buffers winegrowing regions from climate change losses [Sustainability Science]
Agrobiodiversity—the variation within agricultural plants, animals, and practices—is often suggested as a way to mitigate the negative impacts of climate change on crops [S. A. Wood et al., Trends Ecol. Evol. 30, 531–539 (2015)]. Recently, increasing research and attention has focused on exploiting the intraspecific genetic variation within a crop…
5h
Genome-scale transcriptional dynamics and environmental biosensing [Systems Biology]
Genome-scale technologies have enabled mapping of the complex molecular networks that govern cellular behavior. An emerging theme in the analyses of these networks is that cells use many layers of regulatory feedback to constantly assess and precisely react to their environment. The importance of complex feedback in controlling the real-time…
5h
Reassessing enzyme kinetics: Considering protease-as-substrate interactions in proteolytic networks [Systems Biology]
Enzymes are catalysts in biochemical reactions that, by definition, increase rates of reactions without being altered or destroyed. However, when that enzyme is a protease, a subclass of enzymes that hydrolyze other proteins, and that protease is in a multiprotease system, protease-as-substrate dynamics must be included, challenging assumptions of enzyme…
5h
Designing effective control of dengue with combined interventions [Systems Biology]
Viruses transmitted by Aedes mosquitoes, such as dengue, Zika, and chikungunya, have expanding ranges and seem unabated by current vector control programs. Effective control of these pathogens likely requires integrated approaches. We evaluated dengue management options in an endemic setting that combine novel vector control and vaccination using an agent-based…
5h
Molecular adaptations of the blood-brain barrier promote stress resilience vs. depression [Systems Biology]
Preclinical and clinical studies suggest that inflammation and vascular dysfunction contribute to the pathogenesis of major depressive disorder (MDD). Chronic social stress alters blood–brain barrier (BBB) integrity through loss of tight junction protein claudin-5 (cldn5) in male mice, promoting passage of circulating proinflammatory cytokines and depression-like behaviors. This effect is…
5h
Correction for Yu et al., Wildfire prevention through prophylactic treatment of high-risk landscapes using viscoelastic retardant fluids [Correction]
APPLIED PHYSICAL SCIENCES Correction for "Wildfire prevention through prophylactic treatment of high-risk landscapes using viscoelastic retardant fluids," by Anthony C. Yu, Hector Lopez Hernandez, Andrew H. Kim, Lyndsay M. Stapleton, Reuben J. Brand, Eric T. Mellor, Cameron P. Bauer, Gregory D. McCurdy, Albert J. Wolff III, Doreen Chan, Craig S….
5h
Naked Mole Rats Seem More Alien Than Mammal. What Explains Their Weirdness?
They live unexpectedly long, don't get cancer and can't feel pain. Oh, and they have a queen.
6h
'Women my age tend to drink — it's normal'
New research has found that despite the potential health risks of exceeding national drinking guidelines, many middle-aged and young-old women who consume alcohol at high risk levels tend to perceive their drinking as normal and acceptable, so long as they appear respectable and in control.
6h
When Did Ancient Humans Begin to Understand Death?
Our unique awareness of mortality may have evolved before we did.
6h
Researchers look to fungus to shed light on cancer
A team of Florida State University researchers from the Department of Chemistry and Biochemistry found that a natural product from the fungus Fusicoccum amygdali stabilizes a family of proteins in the cell that mediate important signaling pathways involved in the pathology of cancer and neurological diseases.
6h
Software updates slowing you down?
We've all shared the frustration — software updates that are intended to make our applications run faster inadvertently end up doing just the opposite. These bugs, dubbed in the computer science field as performance regressions, are time-consuming to fix since locating software errors normally requires substantial human intervention.
6h
Hot climates to see more variability in tree leafing as temperatures rise
A team of scientists led by Oak Ridge National Laboratory found that while all regions of the country can expect an earlier start to the growing season as temperatures rise, the trend is likely to become more variable year-over-year in hotter regions.
6h
More than just a carnival trick: Researchers can guess your age based on your microbes
Our microbiomes—the complex communities of microbes that live in, on and around us—are influenced by our diets, habits, environments and genes, and are known to change with age. In turn, the makeup of our microbiomes, particularly in the gut, is well-recognized for its influence on our health. For example, gut microbiome composition has been linked to inflammatory bowel disease, autoimmune disease
6h
Disease found in fossilized dinosaur tail afflicts humans to this day
The fossilized tail of a young dinosaur that lived on a prairie in southern Alberta, Canada, is home to the remains of a 60-million-year-old tumor.
6h
Expert: Deadly Viral Outbreak Could Infect 60% of World Population
Gabriel Leung, the chair of public health medicine at Hong Kong University and a leading health expert during the 2002 SARS outbreak, told The Guardian that the deadly virus known as Covid-19 "could infect 60 percent of global population if unchecked." But he also urged caution. "Is 60-80 percent of the world's population going to get infected? Maybe not," Leung told The Guardian . "Maybe this wi
6h
Climate Change Once Again Left Out of Trump's Federal Budget
The administration's proposed spending for 2021 repeats previous calls for steep cuts to environmental programs — Read more on ScientificAmerican.com
6h
Augmented Reality Is Getting Real
AR headsets are still bulky and expensive, but smartphone-based apps are filling the gap — Read more on ScientificAmerican.com
6h
New research shows how the malaria parasite grows and multiplies
Scientists have made a major breakthrough in understanding how the parasite that causes malaria is able to multiply at such an alarming rate, which could be a vital clue in discovering how it has evolved, and how it can be stopped.
6h
New research shows how the malaria parasite grows and multiplies
Scientists have made a major breakthrough in understanding how the parasite that causes malaria is able to multiply at such an alarming rate, which could be a vital clue in discovering how it has evolved, and how it can be stopped.
6h
New synthesis methods enhance 3-D chemical space for drug discovery
After helping develop a new approach for organic synthesis—carbon-hydrogen functionalization—scientists at Emory University are now showing how this approach may apply to drug discovery. Nature Catalysis published their most recent work—a streamlined process for making a three-dimensional scaffold of keen interest to the pharmaceutical industry.
6h
Texas Tech researcher contributes to 'roadmap' for greater gender equity in academia
The road to gender equality in academia is long, but one Texas Tech University researcher is now part of a nationwide collaboration hoping to shorten the journey by providing a roadmap. Emily Dhurandhar, an assistant professor in the Department of Kinesiology & Sport Management, is one of the authors of "Turning chutes into ladders for women faculty: A review and roadmap for equity in academia," p
6h
Disease found in fossilized dinosaur tail afflicts humans to this day
Researchers at Tel Aviv University have identified a benign tumor found in a fossilized dinosaur tail as part of the pathology of LCH (Langerhans cell histiocytosis), a rare and sometimes painful disease that still afflicts humans, particularly children under the age of 10.
6h
UC research could help reduce disease incidence in organ donors
Researchers at the University of Cincinnati are among the first to adopt genotyping that helps identify and predict the risk accompanying individuals wishing to donate a kidney. Those who are high-risk of developing disease can be removed from the pool of potential donors which will reduce their chances of developing kidney disease.
6h
Climate change could trigger more landslides in High Mountain Asia
More frequent and intense rainfall events due to climate change could cause more landslides in the High Mountain Asia region of China, Tibet and Nepal, according to the first quantitative study of the link between precipitation and landslides in the region.
6h
Photos From the 2020 Westminster Dog Show
The 144th annual Westminster Kennel Club Dog Show is hosting 2,500 dogs this year, consisting of more than 200 different breeds or varieties. Below are images from the three-day competition and preliminary activities held in New York City. The competition ends tonight in Madison Square Garden, with the announcement of this year's "Best in Show."
6h
Immune Cell Assassins Reveal Their Nurturing Side
After a heart attack, patients are increasingly often offered the option of stem cell therapy, in which stem cells from their bone marrow are injected into the heart to help it heal. Skeptics, however, point out that solid evidence of the therapy's benefits is lacking: It's worked modestly in some animal studies, but its effectiveness is uncertain, and scientists have only been able to guess at h
6h
They were once domestic pets, then natural selection made dingoes wild
Believed to have been pets at one stage in their evolution, the origins of the Australian dingo are shrouded in mystery, compelling generations of biologists to snoop for clues about their early history. New evidence has recently been revealed by a genomic study that offers tantalizing details about their adaptation from domesticated to wild animals.
6h
Adapting to climate change: We're doing it wrong
When it comes to adapting to the effects of climate change, scientists and policymakers are thinking too small, according to a new research review.
6h
Photography lighting kits for beginners
You don't need sunlight to look good. (Alexander Dummer via Unsplash/) As image quality on laptop, tablet, and smartphone screens has gotten better, so has the demand for great photos. If you want to sell handmade bow ties, build an online dating profile, make your dog into an influencer, or get some cash for used clothing and furniture, solid snaps are key. These affordable lighting kits are per
6h
Handy tools that keep your drains from clogging
Maintain a clear drain. (Amazon/) You know the feeling: you get into your tub for a shower and you're standing in an inch and a half of slimy tub water. Yuck. Thankfully there are a number of methods that can clean the clog from your drain and help prevent further clogs as well. Here are a few great options. Manual cleaning. (Amazon/) If you live with any long-haired people, you're probably famil
6h
NASA finds a stronger Tropical Cyclone Uesi near New Caledonia
NASA's Terra satellite passed over the South Pacific Ocean and found a stronger Tropical Cyclone Uesi after obtaining infrared imagery of the storm. Uesi continues moving away from Vanuatu and today is affecting New Caledonia.
6h
Researchers discover new arsenic compounds in rice fields
University of Bayreuth researchers, together with scientists from Italy and China, have for the first time systematically investigated under which conditions, and to what extent, sulphur-containing arsenic compounds are formed in rice-growing soils. To date, these thioarsenates have not been taken into account in assessments of the health effects of rice consumption. In the journal Nature Geoscien
6h
Cairo car drivers exposed to dangerous levels of pollution, new study finds
Car drivers in Cairo are exposed to dangerous levels of air pollution, finds an unprecedented new study from the University of Surrey.
6h
Dancing matter: New form of movement of cyclic macromolecules discovered
Polymers are long molecules made from periodically connected molecular building blocks called monomers. Some polymers occur naturally in the shape of closed rings—for example as plasmids, cyclic DNA strands in bacteria, or for sufficiently long protein chains. Imagine immersing such objects into a solvent constrained between two parallel plates. We talk about shearing the system when we pull these
6h
They were once domestic pets, then natural selection made dingoes wild
Believed to have been pets at one stage in their evolution, the origins of the Australian dingo are shrouded in mystery, compelling generations of biologists to snoop for clues about their early history. New evidence has recently been revealed by a genomic study that offers tantalizing details about their adaptation from domesticated to wild animals.
6h
Unlikely allies push the White House to back cleaning pollution from the Tijuana River
For decades, millions of gallons of raw sewage and trash have flowed from the Tijuana River to the Pacific Ocean, fouling beaches, angering Southern Californians and getting worse by the year.
6h
Northern Hemisphere faces 4-fold rise in extreme heat periods: study
The number of extreme hot days and nights in the Northern Hemisphere could quadruple by the end of the century even if humanity brings down emissions to meet the Paris climate deal goals, scientists said Tuesday.
6h
The WHO Finally Gives the Coronavirus an Official Name
On Tuesday, the World Health Organization announced an official name for the coronavirus that's been sweeping the world: Covid-19. WHO Director-General Tedros Adhanom Ghebreyesus announced the new name at a press conference, CNBC reports — finally granting an official moniker to an outbreak that's been described by a slew of imperfect names and titles. Like 2019-nCoV, which is the previous name o
6h
You broke a bone in the middle of nowhere. Now what?
A sprained ankle is the most common outdoor musculoskeletal injury, but you should also be prepared for broken or fractured bones. (Jovan Madic via Depositphotos/) For February, we're focusing on the body parts that shape us, oxygenate us, and power us as we take long walks on the beach. Bony bonafide bones. These skeletal building blocks inspire curiosity and spark fear in different folks—we hop
6h
Warm coats for men in harsh climates
Stay toasty. (Thom Holmes via Unsplash/) Choosing a winter coat is hard enough, but choosing one that's warm and durable enough to last you through multiple winters is even tougher. A well-made winter coat can last for years and will reliably keep you warm even in the harshest winters. You'll want to consider weight, material and cut when choosing one. Of course, heavier jackets are likely to be
6h
A Rare Trump-Era Climate Policy Hits an Obstacle: The Tax Man
At least a dozen carbon capture projects are remain blocked because the I.R.S. has yet to explain how, exactly, companies can claim the tax credit that would make the projects viable.
6h
Covid-19: The new coronavirus disease now officially has a name
The new coronavirus began spreading in China during December 2019, but the disease it causes has only now been officially named as Covid-19 by the World Health Organization
6h
Why the goby can conquer the waters of the world
The round goby, one of the most common invasive freshwater fish in the world, boasts a particularly robust immune system, which could be one of the reasons for its excellent adaptability.
6h
A happy partner leads to a healthier future
Research has found that those who are optimistic contribute to the health of their partners, staving off the risk factors leading to Alzheimer's disease, dementia and cognitive decline as they grow old together.
6h
Orb-weaver spiders' yellow and black pattern helps them lure prey
Being inconspicuous might seem the best strategy for spiders to catch potential prey in their webs, but many orb-web spiders, which hunt in this way, are brightly colored. New research finds their distinct yellow and black pattern is actually essential in luring prey.
6h
Using sound and light to generate ultra-fast data transfer
Researchers have made a breakthrough in the control of terahertz quantum cascade lasers, which could lead to the transmission of data at the rate of 100 gigabits per second — around one thousand times quicker than a fast Ethernet operating at 100 megabits a second.
6h
New method offers more stable, efficient electrocatalytic reactions
By fluidizing catalyst particles in electrolyte instead of gluing them to electrodes, researchers made electrocatalytic reactions that are more efficient and longer lasting, which play an important role in energy storage.
6h
Disease Caused by the Novel Coronavirus Officially Has a Name: COVID-19
The World Health Organization chose the name based on the type of virus and the year the first cases were seen — Read more on ScientificAmerican.com
6h
NASA Snaps Photo of Epic Dust Devil on the Surface of Mars
Big Picture While dust devils aren't exactly uncommon on Mars — the Red Planet is, after all, a very dusty and windy place — the whirlwinds often fade almost as quickly as they appear. That makes capturing an image of one in action a rare treat. But in October 2019, NASA's Mars Reconnaissance Orbiter managed to snap a photo of a massive active dust devil — and you can now see it for yourself. Dev
7h
Antiviral Theatrics?
This will be a very rare link indeed for me, to the People's Daily Twitter account out of China. I'd seen some clips like this before, but wasn't sure of their provenance. This, though, is an official organ of the Chinese state – none more so – showing all sorts of white-fog-spraying devices being deployed outdoors, with the caption " Full-front disinfection work has started in #Wuhan , an effort
7h
Young men unaware of risks of HPV infection and need for HPV vaccination
Young sexual minority men — including those who are gay, bisexual, queer or straight-identified men who have sex with men — do not fully understand their risk for human papillomavirus (HPV) due to a lack of information from health care providers, according to Rutgers researchers.
7h
A 747 Set a New Record for Crossing the Atlantic
Thanks to Storm Ciara, the British Airways flight made it from New York to London in just 4 hours and 56 minutes.
7h
Hong Kong Officials Fear Deadly Virus Is Spreading Through Pipes
Officials in Hong Kong have come up with a puzzling hypothesis to explain how multiple, isolated cases of the coronavirus have emerged within the same apartment building. Authorities identified possible cases of 2019-nCoV in seven separate units of an apartment building in a residential district of the city, according to The New York Times . Five tested negative, but the two that were confirmed t
7h
#76 Violinen på Rigshospitalet
Hør hvad musikken betyder for sorg, sygdom og håb på Rigshospitalet. Mød kvinden bag violinen, Lisbeth Sagen.
7h
Teacher race and gender bias: Perceptions of students' approach to learning affects grades
A recent study, co-authored by a University of Notre Dame professor, shows how educators' racial and gender biases affect their assessments of students' academic skills based on noncognitive skills, which include behavior, class participation, self-discipline and interpersonal skills.
7h
Recent advances in addressing tuberculosis give hope for future
In September 2018, the National Institute of Allergy and Infectious Diseases issued its Strategic Plan for Tuberculosis Research, which outlined research priorities to reduce and ultimately end the burden of tuberculosis (TB). Now, a new 'Perspective' in The Journal of Infectious Diseases by NIAID Director Anthony S. Fauci, M.D., and other Institute officials summarizes recent progress in improved
7h
New research shows how the malaria parasite grows and multiplies
Scientists have made a major breakthrough in understanding how the parasite that causes malaria is able to multiply at such an alarming rate, which could be a vital clue in discovering how it has evolved, and how it can be stopped. For the first time, scientists have shown how certain molecules play an essential role in the rapid reproduction of parasite cells, which cause this deadly disease.
7h
Yale study adds to evidence of diabetes drug link to heart problems
A new study published by The BMJ adds to evidence that rosiglitazone — a drug used to treat type 2 diabetes — is associated with increased risk of heart problems, especially heart failure.
7h
Understanding how laws affect public health: An update on legal epidemiology
Laws can have important effects on public health risks and outcomes, while research can provide key evidence to inform effective health-related laws and policies. An introduction to the increasingly influential field of legal epidemiology is presented in a special supplement to the Journal of Public Health Management and Practice (JPHMP). The journal is published in the Lippincott portfolio by Wol
7h
Intel and Vivo latest to cancel MWC plans over coronavirus
Barcelona event to go ahead with measures including 'no handshake policy' for global attendees Coronavirus – live updates Spanish and Catalan authorities have insisted the Mobile World Congress (MWC) in Barcelona will go ahead later this month despite some of the world's biggest tech firms pulling out because of coronavirus fears. The MWC – which is billed as "the world's largest exhibition for t
7h
Covid-19: The new coronavirus now officially has a name
The new coronavirus began spreading in China during December 2019, but it has only now been officially named as Covid-19 by the World Health Organization
7h
Taller young men may have lower dementia risk
Men who are taller in young adulthood, as an indicator of early-life circumstances, may have a lower risk of dementia in old age, suggests a new study.
7h
Live imaging of flowers reveals hidden secrets of plant reproduction
Scientists have developed a way to image sexual reproduction in living flowers, according to a new study.
7h
How the brain's immune system could be harnessed to improve memory
Inflammation can send the brain's immune cells into damaging hyperdrive, an effect that has been linked to neurodegenerative diseases that affect memory, like dementia. A new study finds these same immune cells can also be activated to have the reverse effect, powering memory and learning.
7h
Bolivia: Contribution of Indigenous people to fighting climate change is hanging by a thread
Earth's forests oxygenate the atmosphere and store vast quantities of planet-warming carbon dioxide (CO2). But research suggests that the health of these vast ecosystems in large part depends on the work of Indigenous people.
7h
CA Hospital Accidentally Releases Patient With Deadly Virus
A San Diego hospital accidentally released a patient infected with the deadly virus that's currently sweeping the globe, CNN reports . The patient, who was promptly readmitted after authorities realized the mistake, was the first American to have been evacuated from the epicenter city of Wuhan, in China, because of the 2019-nCoV virus. "The confirmed positive patient was returned to UC San Diego
7h
Mobilköpet sätter spår i planeten
Använder du din mobil tills den går sönder? De flesta väljer att köpa en ny fast den gamla fungerar. Den "gamla" går i bästa fall i arv. I nästa bästa till återvinning. I värsta fall åker den rakt ner i hushållssoporna. Att kassera en fungerande mobil, får ur alla perspektiv ses som ett oerhört slöseri, då tillverkningen av en enda smarttelefon ger upphov till 86 kilo avfall. Det är lika mycket s
7h
The Art of Shooting a Modern Black Romance
When the trailer for The Photograph debuted in November, the romantic drama quickly drew comparisons to a mainstay of '90s black cinema: Love Jones , the story of a dubiously talented poet named Darius (played by Larenz Tate) and his photographer paramour, Nina (Nia Long). The parallels between the movies have little to do with their plot. The new film stars Issa Rae as a museum curator named Mae
7h
Nevertheless, She's Undecided
Gerri King has never felt so unsure. At this point in a Democratic presidential primary, the 77-year-old consultant has always had a favorite candidate. She'll have observed him or her intently over coffee and dessert at her home in Concord, New Hampshire—where she receives most of the contenders every four years at her well-attended house parties and luncheons—and she'll have made careful note o
7h
Elizabeth Warren's Last Stand
MANCHESTER, N.H.—Inside a local brewery here, dozens of Elizabeth Warren supporters refused to believe this all might be over soon. Sipping craft beer (or seltzer water), these Warren diehards gathered, in some cases, to simply be near one another. Ten miles away, in Goffstown, seven Democratic candidates would soon debate at St. Anselm College. The low hum of conversation broke for remarks by Re
7h
What we learned from dinosaur teeth in North Africa
As dinosaurs go, Spinosaurus is one of the most recognizable: a predator with sharp claws, a long jaw full of teeth, and a big sail on its back. It lived near rivers, hunting for fish, 100 million years ago in a place that's now desert; the Kem Kem beds, a geological formation in North Africa.
7h
Buried in mud: Wildfires threaten North American water supplies
As rain offers a welcome relief to fire-scorched Australia, concerns over flash floods and freshwater contamination cast a shadow on the joy. Already, massive fish kills have been reported due to heavy ash and sediment in local stream.
7h
Extreme hot days and nights to soar by 2100 even in best-case scenario
Even if we limit warming due to climate change, the number of extremely hot days followed by intensely hot nights could jump four times to 32 days in northern hemisphere summers by 2100
7h
Trump Proposes Significant Cuts to NIH for 2021 Budget
The president's request for next year's federal budget includes a 7 percent drop in funding for the National Institutes of Health and reductions for other science agencies.
7h
Beyond Next-Generation Sequencing
A panel of experts will discuss new genomic sequencing technologies for understanding human health and disease.
7h
Synthetic canataxpropellane at last: Reproducing one of nature's most complex products
A team of chemists at the University of Konstanz in Germany has succeeded in synthesizing canataxpropellane—one of the most complex natural products ever produced. In their paper published in the journal Science, the group describes the long and arduous process they used and relate that they almost gave up several times along the way.
7h
New sensor provides better leak protection in buildings
A new, battery-free sensor can detect water leaks in buildings at a fraction of the cost of existing systems.
7h
How some butterflies developed the ability to change their eyespot size
New insight on how a butterfly species developed the ability to adjust its wing eyespot size in response to temperature has been published today in eLife.
7h
How some butterflies developed the ability to change their eyespot size
New insight on how a butterfly species developed the ability to adjust its wing eyespot size in response to temperature has been published today in eLife.
7h
Robots steady breast cancer surgeon's hands in first human trial
It is hoped delicate procedure to divert 0.3mm vessels could benefit more patients Doctors have used a robot to perform extremely delicate surgical operations on breast cancer patients in the first human trial of the technology. Eight women had the robot-assisted procedure at Maastricht University Medical Center, in the Netherlands, to alleviate a common complication of breast cancer surgery. Con
7h
How some butterflies developed the ability to change their eyespot size
Biologists have new insight on how a butterfly species developed the ability to adjust its wing eyespot size in response to temperature.
7h
Coincidences influence the onset and ending of ice ages
An analysis of the so called climate spectrum shows why the ice ages have not behaved precisely as the models predict. A large element of coincidence is involved when an ice age begins or ends, the analysis shows. The results imply we should maybe use a more conservative risk assessment then the one IPCC recommends.
7h
New technique allows scientists to study parasitic infections one cell at a time
A new technique may help scientists study the body's immune response to intestinal parasite infections one gut cell at a time.
7h
Breaking the rules is good for survival
For plants at least.
7h
Parabens linked to weight gain in childhood
Study sounds warning about maternal paraben exposure.
7h
Artificial atoms create stable qubits
Australian research an important step in quest for silicon quantum computer.
7h
Stroke: Macrophages migrate from the blood
Macrophages are part of the innate immune system and essential for brain development and function. Using a novel method, scientists from Jena University Hospital, the University of Bonn and the Memorial Sloan Kettering Cancer Center (USA) succeeded in visualizing macrophages that were formed in the bone marrow. This technology enabled to observe that shortly after a stroke, numerous macrophages th
7h
Pedal to the metal: Speeding up treatments for ALS
Disease-prompting bundles of proteins found within cells are cleared by unexpected processes. That knowledge could lead to ALS therapeutic solutions.
7h
Lupus patients who take their medications lower their diabetes risk
Patients with lupus who take their medications as prescribed have much lower odds of developing type 2 diabetes, a common complication of the disease, finds a new study from the University of British Columbia.
7h
New synthesis methods enhance 3D chemical space for drug discovery
After helping develop a new approach for organic synthesis — carbon-hydrogen functionalization — scientists at Emory University are now showing how this approach may apply to drug discovery. Nature Catalysis published their most recent work — a streamlined process for making a three-dimensional scaffold of keen interest to the pharmaceutical industry.
7h
Climate change could trigger more landslides in High Mountain Asia
More frequent and intense rainfall events due to climate change could cause more landslides in the High Mountain Asia region of China, Tibet and Nepal, according to the first quantitative study of the link between precipitation and landslides in the region.
7h
NASA finds a stronger Tropical Cyclone Uesi near New Caledonia
NASA's Terra satellite passed over the South Pacific Ocean and found a stronger Tropical Cyclone Uesi after obtaining infrared imagery of the storm. Uesi continues moving away from Vanuatu and today is affecting New Caledonia.
7h
Can T'ai Chi alleviate chronic low back pain in older adults?
A new study evaluated the feasibility and acceptability of using T'ai Chi to improve chronic low back pain in adults over 65 years of age compared to health education and usual care.
7h
Telehealth interventions associated with improved obstetric outcomes
Physician-researchers at the George Washington University published a review suggesting that telehealth interventions are associated with improved obstetric outcomes.
7h
Bayreuth researchers discover new arsenic compounds in rice fields
University of Bayreuth researchers, together with scientists from Italy and China, have for the first time sys-tematically investigated under which conditions, and to what extent, sulphur-containing arsenic com-pounds are formed in rice-growing soils. In the journal "Nature Geoscience" the scientists present their re-sults and identify the urgent need for research with a view to protecting consume
7h
Cairo car drivers exposed to dangerous levels of pollution, new study finds
Car drivers in Cairo are exposed to dangerous levels of air pollution, finds an unprecedented new study from the University of Surrey.
7h
Teens with a history of ADHD need stronger monitoring of health risks
Researchers from Children's Hospital of Philadelphia (CHOP) wanted to better understand how primary care doctors addressed risks with ADHD patients as they transitioned from childhood to young adulthood. They found that although doctors generally discuss depression, substance abuse, and suicide risk with patients who have a history of ADHD, they rarely discuss safe driving with them and most of th
7h
Dancing matter: New form of movement of cyclic macromolecules discovered
Employing a computer simulation, physicists Maximilian Liebetreu and Christos Likos have shown a unique dynamic behavior of cyclic polymers. Their motion can be distinguished into phases, and the scientists were able to observe the so-called "inflation phase" for the first time. During this new phase, they observed swelling and self-stabilization of the polymers. The results have been published in
7h
Hybrid transistor improves next-generation displays
A simple, cost-effective technique uses solution-based printing to make better ultrathin transistors.
7h
Simple blood test could help predict progression of Parkinson's disease
In order to provide the best medical care for newly diagnosed Parkinson's disease (PD) patients, a method of predicting their cognitive and motor progression, beyond using purely clinical parameters, would have major implications for their management.
7h
How some butterflies developed the ability to change their eyespot size
New insight on how a butterfly species developed the ability to adjust its wing eyespot size in response to temperature has been published today in eLife.
7h
Duchenne muscular dystrophy diagnosis improved by simple accelerometers
Testing for Duchenne muscular dystrophy can require specialized equipment, invasive procedures and high expense, but measuring changes in muscle function and identifying compensatory walking gait could lead to earlier detection. Researchers present a relative coupling coefficient, which can be used to quantify the factors involved in the human gait and more accurately screen for the disorder. They
7h
Social control among immune cells improves defense against infections
After infection, a simple mechanism ensures the balance between rapid expansion of immune cells and an excessive self-damaging reaction. This has now been deciphered by scientists at the University of Freiburg — Medical Center (Germany) and international colleagues. The team has shown that activated T-cells are able to perceive each other and regulate their proliferation — based on their density
7h
DNA misfolding in white blood cells increases risk for type 1 diabetes
In a first-of-its-kind study, researchers at Penn Medicine found, in mice, that changes in DNA sequence can trigger the chromosomes to misfold in a way that puts one at a heightened risk for Type 1 diabetes. The study, published today in Immunity, revealed that differences in DNA sequences dramatically changed how the DNA was folded inside the nucleus, ultimately affecting the regulation — the in
7h
Mice 'detectives' hint at how humans read between the lines
Sherlock Holmes is perhaps the most famous example of the power of inference — using indirect evidence to reveal hidden truths. Understanding the neural basis of this sophisticated cognitive skill has been a long-standing challenge for neuroscientists. Now, a clever experiment that comes in two flavors — human and mouse — offers a way forward with a promising set of results.
7h
Heroin use in US
Survey responses from a nationally representative group of 800,000 US adults were used to examine changes in heroin use, heroin injection and heroin use disorder from 2002 to 2018.
7h
'Surprise' out-of-network bills after in-network elective surgery
Claims data from a large health insurer were used to examine how often patients unexpectedly receive out-of-network bills after having in-network elective surgery. These 'surprise bills' typically occur when a patient receives care from a clinician, such as an anesthesiologist or surgical assistant, who doesn't participate in that patient's insurance network.
7h
Prebiotics help mice fight melanoma by activating anti-tumor immunity
Scientists at Sanford Burnham Prebys Medical Discovery Institute have shown that two prebiotics, mucin and inulin, slowed the growth of melanoma in mice by boosting the immune system's ability to fight cancer. The study, published today in Cell Reports, provides further evidence that gut microbes have a role in shaping the immune response to cancer, and supports efforts to target the gut microbiom
7h
1 in 5 operations may lead to surprise bills, even when surgeon & hospital are in-network
As if recovering from surgery wasn't hard enough, a new study shows that one in five operations could result in an unwelcome surprise: a bill for hundreds or thousands of dollars that the patient didn't know they might owe. On average, that potential surprise bill added up to $2,011. That's on top of the nearly $1,800 the average privately insured patient would already owe after it paid for most o
7h
Simulations show effects of buoyancy on drift in Florida Current
Acquiring a better understanding for how objects drift in the ocean has importance for many uses, but most models lack a systematic approach. One new effort looks to provide a clearer alternative. Researchers have released the results from an experiment aimed at tracking different objects as they drift in the Florida Current. Using satellite data, the group developed a new model for how objects dr
7h
New method predicts individual response to Ebola infection
A team at the Center for Infection and Immunity (CII) at Columbia University Mailman School of Public Health has used a specially bred population of laboratory mice that mimics human patterns of tolerance and susceptibility to the Ebola virus to identify human immune factors that predict outcomes among people infected with the disease.
7h
Build-up of brain proteins affects genes in Alzheimer's disease
New research has shed fresh light on how the build-up of two proteins in the brain might affect the activity of genes involved in Alzheimer's disease.
7h
Photon trick lets you bend the rules of quantum physics
A basic rule of quantum physics is that knowing too much about an experiment will break quantum interference, but now physicists have discovered a way to bend that rule
7h
Electric car sales tripled last year. Here's what we can do to keep them growing
submitted by /u/Abscess2 [link] [comments]
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Where to Eat Unreal Deli's Plant-Based Corned Beef in NYC
submitted by /u/Abscess2 [link] [comments]
7h
Neuromodulation Is the Secret Sauce for This Adaptive, Fast-Learning AI
submitted by /u/dwaxe [link] [comments]
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The Government Wants to Use Your Brainwaves to Train Swarms of Military Robots
submitted by /u/Arzu_1982 [link] [comments]
7h
Crazy idea but hear us out… With robots taking people's jobs, can we rethink this whole working to survive thing?
submitted by /u/Arzu_1982 [link] [comments]
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Spacetime 'Echoes' From Quantum Black Holes Could Soon Change Physics Forever – Scientists are racing to confirm the detection of black hole "echoes" that could unlock exotic new branches of physics and deepen our understanding of the fabric of reality.
submitted by /u/izumi3682 [link] [comments]
7h
Releasing a caught fish isn't as simple as tossing it overboard
Anglers release an astounding number of fish each year. Knowing how best to ensure their survival is key. (Adrian E. Gray/) This story originally featured on Sportfishing Magazine Thanks to a burgeoning conservation ethic, many saltwater anglers choose to release their catches. Others do so because of fishery-management rules, or because it's required in tournament regulations. As a result, ang
7h
The Doctors Who Bill You While You're Unconscious
Let's say you need to get minor surgery, such as repairing some torn knee cartilage. If you have insurance, you would probably call the hospital or your insurer ahead of time to be sure that the hospital was "in network" with your insurance. If you're extra savvy, you might double-check that the surgeon who will be operating on you is in-network, too. I should be good , you might think. You reaso
7h
Diseases spread from wildlife pose risk to livestock and humans in Alberta, scientists find
Diseases transmitted from wildlife are a common threat to livestock and humans in Alberta, according to new research by University of Alberta biologists.
7h
Live imaging of flowers reveals hidden secrets of plant reproduction
Scientists have developed a way to image sexual reproduction in living flowers, according to a study published today in the open-access journal eLife.
7h
How to reduce the number of birds killed by buildings
As high-rise cities grow upwards and outwards, increasing numbers of birds die by crashing into glass buildings each year. And of course many others break beaks, wings and legs or suffer other physical harm. But we can help eradicate the danger by good design.
7h
Why the goby can conquer the waters of the world
The round goby, one of the most common invasive freshwater fish in the world, boasts a particularly robust immune system, which could be one of the reasons for its excellent adaptability. This is the result of genome research by an international team of biologists, coordinated at the University of Basel and published in the journal BMC Biology.
7h
Central European pests are migrating northward
The nun moth was only a rare inhabitant in Finland only 20 years ago. As a winner of climate change, its population growth has been rapid—as confirmed by pheromone trappings in summer 2019.
7h
It's true: Mosquitoes prefer to bite some people over others
It's always you, isn't it? The person busy swatting away buzzing backyard mosquitoes or nursing an arm full of itchy red lumps after a weekend camping trip.
7h
Building better base editors
CRISPR-based gene editing has potential therapeutic benefits but also some technical shortcomings. One set of these gene editing tools, base editors, can rewrite the four individual DNA letters, or bases— A, C, T or G—which represent key chemical building blocks of DNA, adenine, cytosine, thymine, and guanine.
7h
When introduced species are cute and lovable, culling them is a tricky proposition
Almost one in five Australians think introduced horses and foxes are native to Australia, and others don't want "cute" or "charismatic" animals culled, even when they damage the environment. So what are the implications of these attitudes as we help nature recover from bushfires?
7h
Researchers find new method to allow corals to rapidly respond to climate change
For the first time, a team of marine biology and environmental genomics researchers at NYU Abu Dhabi (NYUAD) and KAUST (King Abdullah University of Science and Technology) have demonstrated that epigenetic modifications in reef-building corals can be transmitted from parents to their offspring. This discovery, reported in a new study in the journal Nature Climate Change, not only enhances the biol
7h
Cluster of sharks in one spot off Carolinas coast grows more intense
The clustering of great white sharks off the Carolinas coast is growing more pronounced and mysterious, based on satellite tracking data shared Saturday on social media.
7h
Bush-crickets' ears unlock the science to developing revolutionary hearing sensors
New research has found that bush-crickets' ear canals have evolved to work in the same way as mammals' ears to amplify sound and modulate sound pressure—and the findings could help scientists make better acoustic sensors for human use.
7h
Beyond Next-Generation Sequencing
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8h
Beyond Next-Generation Sequencing
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8h
The necropolis of Asyut as an important element of Egypt's cultural memory
About 4,000 years ago, Asyut was an important cultural center in Middle Egypt. The ancient city with its temples, palaces, libraries, and houses later disappeared under Nile flood sediments and modern construction, which is why its sights have never become as popular as those in Thebes or Luxor. Quite the reverse: Until recently, little was known about the history of ancient Asyut, while the large
8h
A 40-million-year-old layer of dust can help predict how monsoons will change
A fine layer of dust thought to have been left by the first winter monsoon ever to cross northeastern Tibet has been uncovered by scientists, revealing the moment when the great weather phenomenon that waters much of Asia's summers and dries its winters may have begun.
8h
Diseases spread from wildlife pose risk to livestock and humans in Alberta, scientists find
Diseases transmitted from wildlife are a common threat to livestock and humans in Alberta, according to new research by University of Alberta biologists.
8h
Double nuclei in the galaxy IC 676 investigated by researchers
Chinese astronomers have carried out spectroscopic observations of the lenticular galaxy IC 676. Results of these observations provide more insights into the nature of the galaxy's double nuclei. The study was detailed in a paper published January 31 on the arXiv pre-print repository.
8h
Green Christmases: Alpine ski resorts ponder a future without snow
Last Christmas, for the first time in its existence, a ski resort in the French Alpine town of Montclar could count neither on Mother Nature nor its artificial snow machines to produce enough of the white stuff to cover its pistes.
8h
Live imaging of flowers reveals hidden secrets of plant reproduction
Scientists have developed a way to image sexual reproduction in living flowers, according to a study published today in the open-access journal eLife.
8h
Duchenne muscular dystrophy diagnosis improved by simple accelerometers
Duchenne muscular dystrophy is the most common type of muscular dystrophy, affecting more than 10,000 males at birth per year in the United States with severe physical disability, chronic wasting and muscle deterioration.
8h
Simulations show effects of buoyancy on drift in Florida Current
Acquiring a better understanding for how objects drift in the ocean has importance for a wide range of uses, like tracking algae, predicting the locations of wreckage and debris and better focusing how to clean up ocean litter. Most ways researchers model such movements have largely been put together piece by piece and lack a systematic approach. One new effort looks to provide a clearer alternati
8h
How to reduce the number of birds killed by buildings
As high-rise cities grow upwards and outwards, increasing numbers of birds die by crashing into glass buildings each year. And of course many others break beaks, wings and legs or suffer other physical harm. But we can help eradicate the danger by good design.
8h
Video: How do you get a fossil out of rock? Painstakingly
Fossils just aren't found. They are made visible by the gentle and professional work of the scholars who work with them.
8h
Video: Pine Island Glacier spawns 'piglets'
As anticipated, Pine Island Glacier, known as PIG for short, in Antarctica has just spawned a huge iceberg. At over 300 sq km, about the size of Malta, this huge berg very quickly broke into many 'piglet' pieces the largest of which is dubbed B-49. Thanks to images from the Copernicus Sentinel satellite missions, two large rifts in the glacier were spotted last year and scientists have been keepin
8h
Coincidences influence the onset and ending of ice ages
An analysis of the so called climate spectrum shows why the ice ages have not behaved precisely as the models predict. A large element of coincidence is involved when an ice age begins or ends, the analysis shows. Peter Ditlevsen from Physic of Ice, Climate and Earth at the Niels Bohr Institute, University of Copenhagen says the results imply we should maybe use a more conservative risk assessment
8h
Why the goby can conquer the waters of the world
The round goby, one of the most common invasive freshwater fish in the world, boasts a particularly robust immune system, which could be one of the reasons for its excellent adaptability. This is the result of genome research by an international team of biologists, coordinated at the University of Basel and published in the journal BMC Biology.
8h
Central European pests are migrating northward
The nun moth was only a rare inhabitant in Finland only 20 years ago. As a winner of climate change, its population growth has been rapid—as confirmed by pheromone trappings in summer 2019.
8h
Study reveals details of 'golf ball asteroid'
Asteroids come in all shapes and sizes, and now astronomers at MIT and elsewhere have observed an asteroid so heavily cratered that they are dubbing it the "golf ball asteroid."
8h
Chemists discover the mechanism of radiation instability of lithium tetraborate
Chemists from RUDN University have studied the mechanism of radiation instability of thermoluminophores based on lithium tetraborate, which are used for the manufacture of radiation dosimeters. They found that the properties of the materials deteriorate due to the breakdown of chemical bonds in the boron-oxygen structure and the formation of clusters of manganese, which was added to lithium tetrab
8h
Misalignments in encapsulated graphene lead to strong modification of electronic properties
Researchers at the University of Antwerp report how higher-order periodic modulations called supermoiré caused by the encapsulation of graphene between hexagonal boron nitride affect the electronic and structural properties of graphene, as revealed in three recent independent experiments.
8h
Blasting 'forever' chemicals out of water with a vortex of cold plasma
Researchers from Drexel University have found a way to destroy stubbornly resilient toxic compounds, ominously dubbed "forever chemicals," that have contaminated the drinking water of millions across the United States.
8h
It's true: Mosquitoes prefer to bite some people over others
It's always you, isn't it? The person busy swatting away buzzing backyard mosquitoes or nursing an arm full of itchy red lumps after a weekend camping trip.
8h
Building better base editors
CRISPR-based gene editing has potential therapeutic benefits but also some technical shortcomings. One set of these gene editing tools, base editors, can rewrite the four individual DNA letters, or bases— A, C, T or G—which represent key chemical building blocks of DNA, adenine, cytosine, thymine, and guanine.
8h
Carbon emissions from energy 'flat' in 2019: IEA
Global energy-related CO2 emissions "flattened" in 2019 following two years of increases owing to greater use of renewables and an accelerating shift from coal to gas, the International Energy Agency said Tuesday.
8h
When introduced species are cute and lovable, culling them is a tricky proposition
Almost one in five Australians think introduced horses and foxes are native to Australia, and others don't want "cute" or "charismatic" animals culled, even when they damage the environment. So what are the implications of these attitudes as we help nature recover from bushfires?
8h
Most books in childcare center have white, middle-class heroes
Only 18% of books available in four Australian childcare centers include non-white characters. Animal characters make up around half the books available, with the animals largely leading lives, and adhering to values, of middle-class Caucasians.
8h
Researchers find new method to allow corals to rapidly respond to climate change
For the first time, a team of marine biology and environmental genomics researchers at NYU Abu Dhabi (NYUAD) and KAUST (King Abdullah University of Science and Technology) have demonstrated that epigenetic modifications in reef-building corals can be transmitted from parents to their offspring. This discovery, reported in a new study in the journal Nature Climate Change, not only enhances the biol
8h
Cluster of sharks in one spot off Carolinas coast grows more intense
The clustering of great white sharks off the Carolinas coast is growing more pronounced and mysterious, based on satellite tracking data shared Saturday on social media.
8h
Synthetic chemicals in soils are 'ticking time bomb'
A growing health crisis fueled by synthetic chemicals known as per- and polyfluoroalkyl substances, or PFAS, in groundwater has garnered much attention in the last few years.
8h
Bush-crickets' ears unlock the science to developing revolutionary hearing sensors
New research has found that bush-crickets' ear canals have evolved to work in the same way as mammals' ears to amplify sound and modulate sound pressure—and the findings could help scientists make better acoustic sensors for human use.
8h
City 'heat islands' trick trees into thinking it's spring
Trees and vegetation in urban heat islands turn green earlier in the year but are less sensitive to temperature change than vegetation in surrounding rural regions, according to a new study. It's a symptom of the way cities trap heat, researchers say. The findings have ramifications for people with allergies and anyone interested in the ecological impact of climate change, says Yuyu Zhou, an asso
8h
Hemp or marijuana? THC scanner can say in seconds
A new scanner can quickly determine whether plants are hemp or marijuana without damaging the product, say researchers. Hemp is technically legal in Texas, but proving that hemp is not marijuana can be a hurdle, requiring testing in a licensed laboratory. So, when law enforcement recently detained a truck carrying thousands of pounds of hemp near Amarillo, Texas, the driver spent weeks in jail aw
8h
LEGO, We Have a Problem
A NASA-themed toy designed to inspire girls in science can inadvertently play into damaging stereotypes — Read more on ScientificAmerican.com
8h
How online marketplaces can help local economies, not hurt them | Amane Dannouni
The growth of online marketplaces like Uber, Airbnb and Amazon can sometimes threaten local businesses such as taxis, hotels and retail shops by taking away jobs or reducing income to the community. But it doesn't have to be this way, says strategy consultant Amane Dannouni. Pointing to examples like Gojek (Indonesia's Uber for motorbikes) and Jumia (Africa's version of Amazon), he explains how so
8h
LEGO, We Have a Problem
A NASA-themed toy designed to inspire girls in science can inadvertently play into damaging stereotypes — Read more on ScientificAmerican.com
8h
Video: Se danske musikere spille under vand
Gruppen Between Music har allieret sig med ingeniører og forskere for at spille musik under vand. Se her, hvordan de danske musiker udvikler deres lydunivers.
8h
Dansk band indspiller verdens første plade under vand
PLUS. Gennem 11 år har et hold danske musikere udviklet mærkværdige instrumenter og teknikker til at spille under vand. Nu turnerer de verden rundt.
8h
Solar System controls the carbon cycle
And it has done throughout Earth's history, new research suggests.
8h
Ground level ozone linked to increased death risk
New study highlights problem of daily exposure in many cities.
8h
Look out Sun, here I come
Solar Orbiter heads off seeking data
8h
Could the new coronavirus really kill 50 million people worldwide?
No one can say for sure how widely the new coronavirus will spread and how many it will kill because there are still many key things we don't know – not least the wider impact on healthcare services
8h
Varningsljus i gatan kan rädda fotgängare med mobil
Forskare från bland annat Stressforskningsinstitutet har testat om ljusgula varningslampor i marken intill övergångsställen kan komplettera vanliga trafikljus, genom att fånga mobilupptagna fotgängares uppmärksamhet snabbare än de röda och gröna gubbarna i ögonhöjd.
8h
You Can Now Adopt Lab Animals That the FDA Experimented On
Second Act Rather than euthanize all lab animals after testing on them, the Food and Drug Administration is now allowing sanctuaries and shelters to adopt the critters, according to documents viewed by The Hill . FDA spokeswoman Monique Richards confirmed the change in a statement to The Hill , writing that the agency "has an internal policy for the placement of research animals after study compl
8h
Long-distance skiers may have 'motor reserve' that can delay onset of Parkinson's disease
To better understand the relationship between physical activity and Parkinson's Disease (PD) investigators in Sweden analyzed medical records of nearly 200,000 long-distance skiers who took part in the Vasaloppet cross-country ski race. They established that a physically active lifestyle is associated with close to a 30% reduced risk for PD, which might be explained by a motor reserve among the ph
8h
Live imaging of flowers reveals hidden secrets of plant reproduction
Scientists have developed a way to image sexual reproduction in living flowers, according to a study published today in the open-access journal eLife.
8h
Study suggests taller young men may have lower dementia risk
Men who are taller in young adulthood, as an indicator of early-life circumstances, may have a lower risk of dementia in old age, suggests a study published today in eLife.
8h
Why egalitarian values don't catch on in post-Soviet countries
People's values of personal choice, such as their attitudes towards abortion, divorce, and premarital sex, are usually determined their level of education, age, religiosity, and social status. At least this is the case in many countries such as the US and those in Europe. In a recent study, sociologists from HSE University and Max Planck Institute found that in post-Soviet countries, personal valu
8h
New technique allows scientists to study parasitic infections one cell at a time
A new technique may help scientists study the body's immune response to intestinal parasite infections one gut cell at a time, according to a study published today in eLife.
8h
Coincidences influence the onset and ending of ice ages
An analysis of the so called climate spectrum shows why the ice ages have not behaved precisely as the models predict. A large element of coincidence is involved when an ice age begins or ends, the analysis shows. Peter Ditlevsen from Physic of Ice, Climate and Earth at the Niels Bohr Institute, University of Copenhagen says the results imply we should maybe use a more conservative risk assessment
8h
As coronavirus spreads, the time to think about the next epidemic is now
Nature, Published online: 11 February 2020; doi:10.1038/d41586-020-00379-9 World leaders and international donors must strengthen the most vulnerable nations' health-care systems.
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Coronavirus: hospitals must learn from past pandemics
Nature, Published online: 11 February 2020; doi:10.1038/d41586-020-00354-4 Use techniques honed during the SARS, H1N1 and Ebola epidemics to separate sick and well, keep workers safe and prepare for the next outbreak, says Nahid Bhadelia
8h
How I Lost My Faith in America
O n a cold Tuesday in January 2009, I watched from the National Mall as Barack Obama was sworn in as president. The inauguration of a black man on the steps of the Capitol—a building raised by slaves—reminded me of the remarkable ability of the United States to confound its critics and surprise even its friends. But that frigid morning feels like a long time ago now. The past few years—indeed, th
8h
Children detect the a speaker's politeness both through intonation and facial expression
The first study demonstrating this in children under 3 was conducted by Iris Hübscher and Laura Wagner, with Pilar Prieto, an ICREA research professor with the Department of Translation and Language Sciences, and has been published in the advanced online edition of Journal of Politeness Research Language, Behaviour, Culture.
8h
Rabies: New prophylactic and therapeutic avenues
Rabies is still responsible for approximately 60,000 human deaths per year mostly in Asia and Africa and affects especially underserved people. Prophylactic measures have significantly improved. They are now composed of the vaccine allied to purified human or equine rabies immunoglobulins. However, these immunoglobulins are expensive and not easy to reach in developing settings. Researchers have v
8h
Why the goby can conquer the waters of the world
The round goby, one of the most common invasive freshwater fish in the world, boasts a particularly robust immune system, which could be one of the reasons for its excellent adaptability. This is the result of genome research by an international team of biologists, coordinated at the University of Basel and published in the journal BMC Biology.
8h
Scientists develop non-invasive method to predict onset of dementia
Information gathered from routine visits to the doctor is enough to accurately predict a person's risk of developing Alzheimer's disease and related dementias, according to new research led by scientists from Regenstrief Institute, Indiana University and Merck. The researchers developed and tested machine learning algorithms using data from electronic medical records to identify patients who may b
8h
Blasting 'forever' chemicals out of water with a vortex of cold plasma
Researchers from Drexel University have found a way to destroy stubbornly resilient toxic compounds, ominously dubbed 'forever chemicals,' that have contaminated the drinking water of millions across the United States.
8h
Why SpaceX Wants a Tiny Texas Neighborhood So Badly
BOCA CHICA, Texas—Mary McConnaughey was watching from her car when the rocket exploded on the beach. The steel-crunching burst sent the top of the spacecraft flying, and a cloud of vapor billowed into the sky and drifted toward the water. McConnaughey and her husband had planned to drive into town that day in late November, but when they pulled out onto the street, they noticed a roadblock, a cle
8h
Neuromodulation Is the Secret Sauce for This Adaptive, Fast-Learning AI
As obstinate and frustrating as we are sometimes, humans in general are pretty flexible when it comes to learning—especially compared to AI. Our ability to adapt is deeply rooted within our brain's chemical base code. Although modern AI and neurocomputation have largely focused on loosely recreating the brain's electrical signals, chemicals are actually the prima donna of brain-wide neural transm
8h
This is what happens when you get the coronavirus
Hospitals in China are reporting their experiences with hundreds of patients so far.
8h
Parker Hits 5,000 Ounces! | Gold Rush
After tallying their clean ups from Slucifer and Big Red, Parker's team hits the 5,000 ounce milestone. Stream Full Episodes of Gold Rush: https://go.discovery.com/tv-shows/gold-rush/ Subscribe to Discovery: http://bit.ly/SubscribeDiscovery Join us on Facebook: https://www.facebook.com/GoldRush/ https://www.facebook.com/Discovery Follow us on Twitter: https://twitter.com/Gold_Rush https://twitter
9h
The Perils of "Survivorship Bias"
Computational and behavioral scientist Sendhil Mullainathan describes how to avoid a common fault in reasoning — Read more on ScientificAmerican.com
9h
How the brain's immune system could be harnessed to improve memory
Inflammation can send the brain's immune cells into damaging hyperdrive, an effect that has been linked to neurodegenerative diseases that affect memory, like dementia. A new study finds these same immune cells can also be activated to have the reverse effect, powering memory and learning.
9h
A novel formulation to explain heat propagation
Researchers at EPFL and MARVEL have developed a novel formulation that describes how heat spreads within crystalline materials. This can explain why and under which conditions heat propagation becomes fluid-like rather than diffusive. Their equations will make it easier to design next-generation electronic devices at the nanoscale, in which these phenomena can become prevalent.
9h
Personalized cancer vaccines
The only therapeutic cancer vaccine available on the market has so far showed very limited efficacy in clinical trials. EPFL researchers are currently working on an alternative. They have developed a platform that allows a cancer vaccine to be delivered to a precise location and stimulate the immune system in a safe way — thereby overcoming one of the two obstacles to creating an effective vaccin
9h
New measure of biological age can predict health risks
People age in different ways. Biological age is a metric that scientists use to predict health risks, the relevance of which can be enhanced by combining different markers. Particularly important markers are frailty and the epigenetic clock, write researchers from Karolinska Institutet in a study published in eLife.
9h
Blood-based multiplexed diagnostic sensor helps to accurately detect Alzheimer's disease
A research team at KAIST reported clinically accurate multiplexed electrical biosensor for detecting Alzheimer's disease by measuring its core biomarkers using densely aligned carbon nanotubes.
9h
What fuels a 'domino effect' in cancer drug resistance?
KAIST researchers have identified mechanisms that relay prior acquired resistance to the first-line chemotherapy to the second-line targeted therapy, fueling a 'domino effect' in cancer drug resistance. Their study featured in the February 7 edition of Science Advances suggests a new strategy for improving the second-line setting of cancer treatment for patients who showed resistance to anti-cance
9h
'Women my age tend to drink — it's normal'
New Edith Cowan University (ECU) research has found that despite the potential health risks of exceeding national drinking guidelines, many middle-aged and young-old women who consume alcohol at high risk levels tend to perceive their drinking as normal and acceptable, so long as they appear respectable and in control.
9h
The Perils of "Survivorship Bias"
Computational and behavioral scientist Sendhil Mullainathan describes how to avoid a common fault in reasoning — Read more on ScientificAmerican.com
9h
Brain activity can help predict who'll benefit from an antidepressant
A machine-learning algorithm can predict who is most likely to respond best to an antidepressant by analysing the brain activity of people with depression
9h
Scientist Who Said Spiders Have Personalities May Have Faked Data
Scientist Jonathan Pruitt become a notable figure in the field of behavioral ecology for reporting evidence that spiders have personalities . But he may now be making the transition from "notable" to "notorious." As part of a growing academic scandal, peer-reviewed journals have retracted seven papers co-authored by Pruitt. That's not all. His collaborators have requested retractions for five add
9h
UK: coronavirus will 'get worse before it gets better'
Health secretary says risk to public 'remains moderate'
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How novel coronavirus spread across the world – visual explainer
Confirmed cases of flu-like virus span 29 countries, with about 1,000 deaths mostly in mainland China The coronavirus epidemic began in Wuhan, a city of more than 11 million people and the capital of the Hubei province in China. The latest data from Johns Hopkins University's Center for Systems Science and Engineering shows that the number of deaths from the virus has exceeded 1,000 , all in main
9h
For guys, height comes with lower dementia risk
Being taller in young adulthood is associated with a lower risk of developing dementia in men, even when accounting for education, intelligence, and family genetics, research finds. Finding ways to identify individuals at risk of dementia could help people take preventive measures or plan for their future care. The study indicates that young adult height might be one potential risk factor to cons
9h
Bush-crickets' ears unlock the science to developing revolutionary hearing sensors
Scientists could revolutionise auditory devices used for monitoring and surveillance purposes after new research into bush-crickets' ear canals found that they have evolved to work in the same way as mammals' ears to amplify sound and modulate sound pressure. Until now, the mechanism responsible for such changes, which affects directional hearing, has been unknown.
9h
Deep learning can fool listeners by imitating any guitar amplifier
A study from the Aalto Acoustics Lab demonstrates that digital simulations of guitar amplifiers can sound just like the real thing. The implications are that as the software models continue to improve, they can replace traditional analogue guitar amplifiers, which are bulky, fragile and expensive.
9h
Researchers: Synthetic chemicals in soils are 'ticking time bomb'
Synthetic chemicals that were released into the environment for the first time 80 years ago have been linked to harmful health effects, and more of them are migrating slowly from the soil, according to University of Arizona research.
9h
Grooved scaffolds for live cells could heal injuries
Bioengineers are using grooves to seed sophisticated, 3D-printed tissue-engineering scaffolds with living cells to help heal injuries. The researchers are literally carving grooves into plastic threads used to build the scaffolds. The grooves are then seeded with cells or other bioactive agents that encourage the growth of new tissue. The strategy protects cells from the heat and shear stresses t
9h
Is a Patient's Stomach Pain Hours After a Colonoscopy a Sign of Something Serious?
A healthy 59-year-old hops on a plane after a colonoscopy and falls ill. Did she pick up a nasty bug, or is it something else?
9h
The experimental observation of echoes in a single molecule
Echoes, sounds that are repeated or reverberate as a result of waves reflected back to the listener, occur in several physical systems. In physics research, echoes are typically used to eliminate the effects of dephasing caused by a system's interactions with the environment, as well as to unveil the inherent properties of certain objects.
9h
Nutrients limit carbon uptake to slow climate change
Nitrogen and phosphorus found in soils are limiting the amount of carbon uptake stored in plants and soils, but maps of where this occurs across the globe are lacking.
9h
NYUAD researchers find new method to allow corals to rapidly respond to climate change
For the first time, a team of marine biology and environmental genomics researchers at NYU Abu Dhabi (NYUAD) and KAUST (King Abdullah University of Science and Technology) have demonstrated that epigenetic modifications in reef-building corals can be transmitted from parents to their offspring.
9h
The nose knows: Study establishes airborne exposure to harmful algal blooms' toxins
There are no limits specific to airborne concentrations of microcystins (blue-green algae) or inhalation guidelines. Little is known about recreational and occupational exposure to these toxins. New research provides evidence of aerosol exposure to microcystins in coastal residents. Researchers detected microcystin in the nasal passages of 95 percent of the participants; some who reported no direc
9h
Shape-shifting stem cells are key to cancer metastasis and immune evasion
Scientists have discovered that cancer cells rely on the biology of regeneration, wound healing, and embryonic development to spread to other organs and escape detection by the immune system.
9h
Who will lead the global surveillance of antimicrobial resistance via sewage?
In the journal Science, a DTU professor calls for someone to carry on a global surveillance of antimicrobial resistance and infectious diseases via sewage.
9h
Fyringer i Rigspolitiets it-enhed skaber frygt for flere it-skandaler
Torsdag blev 19 stillinger nedlagt i Rigspolitiets it-enhed, og det får flere parter til at frygte for kommende it-skandaler.
9h
From the archive
Nature, Published online: 11 February 2020; doi:10.1038/d41586-020-00327-7 How Nature reported an investigation into the origin of maize in 1920, and a paean to the work of the sea from 1870.
9h
Conservative News Sites Track You Lots More Than Left-Leaning Ones
One analysis of news outlets found that the median popular right-wing site planted 73 percent more cookies than its left-wing counterpart.
10h
Hurling Satellites Into Space Seems Crazy—but Might Just Work
A startup called SpinLaunch wants to do away with costly launch rockets. Let's look at the physics.
10h
Coronavirus/China property: room with a flu
The threat of more bad news for developers this quarter suggests it is too early to move in
10h
Viruses reprogram cells into different virocells
If it looks like a duck and quacks like a duck, so the adage goes, it must be a duck. But if the duck gets infected by a virus so that it no longer looks or quacks like one, is it still a duck? For a team led by researchers from The Ohio State University and the University of Michigan studying how virus infections cause significant metabolic changes in marine microbes, the answer is no. They refer
10h
Tea trees crave water during hot and dry summer days
The iconic Australian tea tree (Melaleuca decora) is more vulnerable than native eucalypt species to extreme temperature and moisture stress, Western Sydney University researcher Anne Griebel has discovered.
10h
New treatment tackles costly parasitic disease for freshwater farmed and ornamental fish
A compound has been identified by researchers from the EU-funded ParaFishControl project, which examines fish-parasite interactions in aquaculture. Its effectiveness in treating certain parasitic diseases led researchers to submit a patent for its production.
10h
Light Pollution Isn't Just a Problem for Stargazers
Artificial illumination is helping to devastate the earth's insects — Read more on ScientificAmerican.com
10h
Viruses reprogram cells into different virocells
If it looks like a duck and quacks like a duck, so the adage goes, it must be a duck. But if the duck gets infected by a virus so that it no longer looks or quacks like one, is it still a duck? For a team led by researchers from The Ohio State University and the University of Michigan studying how virus infections cause significant metabolic changes in marine microbes, the answer is no. They refer
10h
Tea trees crave water during hot and dry summer days
The iconic Australian tea tree (Melaleuca decora) is more vulnerable than native eucalypt species to extreme temperature and moisture stress, Western Sydney University researcher Anne Griebel has discovered.
10h
New treatment tackles costly parasitic disease for freshwater farmed and ornamental fish
A compound has been identified by researchers from the EU-funded ParaFishControl project, which examines fish-parasite interactions in aquaculture. Its effectiveness in treating certain parasitic diseases led researchers to submit a patent for its production.
10h
Super-precise CRISPR tool enhanced by enzyme engineering. Improvements to a method known as base editing could pave the way for safer gene therapies.
submitted by /u/izumi3682 [link] [comments]
10h
Engineers Just Built an Impressively Stable Quantum Silicon Chip From Artificial Atoms – Could become new basis for quantum computing
submitted by /u/izumi3682 [link] [comments]
10h
China turns to AI, robots in coronavirus control – Xinhua
submitted by /u/Arzu_1982 [link] [comments]
10h
Arctic permafrost thaw plays greater role in climate change than previously estimated
submitted by /u/MesterenR [link] [comments]
10h
100 million trees by 2023: Climate right for raising funds. The startup has developed a process it says is 95 per cent faster than manual tree planting, using drone duos to drop specially designed seed pods and use GPS locating to track their growth.
submitted by /u/Wagamaga [link] [comments]
10h
Boston Dynamics Robot Dog Goes on Patrol at Norwegian Oil Rig: Meet Spot, the first robot to get its own employee number at Norwegian oil producer Aker BP ASA.
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10h
Texas got 20% of it's electricity from wind power in 2019
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10h
Scientists want to explore ocean with "cyborg jellyfish"
submitted by /u/Tafistice [link] [comments]
10h
Sneen smelter i Alperne: Alexandra kæmper for sit hotel
I Alperne udebliver sneen, og det får stadig flere skisportssteder til at dreje nøglen om.
10h
How to halt the global decline of lands
Land degradation—the reduction in the capacity of the land to support human and other life on Earth—is one of the humanity's biggest challenges. Yet, little is being done to slow down or stop the degradation process. A team of 20 leading researchers from all over the world, led by University of Twente researcher Wieteke Willemen, developed a strategy to halt land degradation. Their findings are pu
10h
Ensamheten ökar hos unga
Upplevda sömnproblem och upplevd dålig hälsa har ökat markant mellan åren 2000 och 2016 i en stor grupp män och kvinnor i den arbetsföra befolkningen. Det visar forskning från Gymnastik- och idrottshögskolan. – Det är framför allt unga, lågutbildade och kvinnor som rapporterar sämre upplevda hälsofaktorer i slutet av denna studieperiod. Att ensamheten ökar hos unga och att sömnproblemen ökar i al
10h
Danmark fører på grønne patenter: Vindindustrien trækker læsset
PLUS. Danmark står stærkt på antallet af grønne patentansøgninger. Især har der været stor aktivitet inden for vindenergi, der er den klart største ansøgningsklasse af grønne patentansøgninger i landet.
10h
Ports refuse to allow cruise ship to dock over coronavirus fears
Thailand latest country to turn a vessel away despite no confirmed cases
10h
World's largest ever firework successfully explodes over Colorado
Weighing around 1270 kilograms, the largest ever firework travelled at more than 480 kilometres and exploded over Steamboat Springs in Colorado
10h
Coronavirus shows our health agencies are ill prepared for fake news
Think before you RT. (DepositPhoto/) A Harvard-affiliated epidemiologist. The president . Untold (and mostly anonymous) people online. The outbreak of 2019 novel coronavirus has been clouded by false information from these sources and more, ranging from stretched half-truths to downright fakes. In a still-evolving public health situation like this one, such misinformation stokes panic and makes i
10h
Citizen scientists may be an untapped resource for water quality improvement
Raising awareness and offering technological tools to the thousands of citizens groups in the U.S. that monitor water quality might help community leaders tap these volunteers as a way to improve access to plentiful clean water and possibly avoid water-related crises, according to a team of researchers.
10h
Gen Z dating culture defined by sexual flexibility and complex struggles for intimacy
As we lick our Valentine card envelopes and slip into something more comfortable, it's a good time to ponder our sexual relationships.
10h
Study reveals gender, racial disparities in evictions
A new University of Washington study of evictions around the state shows that more women are evicted than men, and in the state's two most populous counties, eviction rates among black and Latinx adults are almost seven times higher than for white adults.
10h
Active-shooter drills in schools may do more harm than good
Active-shooter drills in schools expose students to frighteningly realistic scenarios with masked intruders and loud gunfire sounds. They also may be doing more harm than good, says a Rutgers University–Camden nursing scholar who urges school and law enforcement officials alike to include school nurses in their plans to prepare for violent situations.
10h
Study finds link between teachers' financial anxiety and job performance
As the cost of living surges in a number of U.S. cities, what happens to schools when teachers' salaries don't keep pace?
10h
Observational study reveals short-range interactions govern dynamics of microbial communities
Microbial communities are known to be indispensable for our planet. But surprisingly little is known about how they function. Researchers at the Swiss Federal Institute of Aquatic Science and Technology and ETH Zurich are now shedding a little light on this subject.
10h
Sexual reproduction: Sometimes it's just not worth the effort, study finds
Why do most plants and animals engage in sexual reproduction?
10h
Climate warming disrupts tree seed production
Research involving the University of Liverpool has revealed the effect of climate warming on the complex interactions between beech trees and the insects that eat their seeds.
10h
Personalized cancer vaccines: Delivery breakthrough may provide better results
The only therapeutic cancer vaccine available on the market has so far showed very limited efficacy in clinical trials. EPFL researchers are currently working on an alternative. They have developed a platform that allows a cancer vaccine to be delivered to a precise location and stimulate the immune system in a safe way—thereby overcoming one of the two obstacles to creating an effective vaccine.
10h
Revenge is more enjoyable than forgiveness — at least in stories
When it comes to entertainment, people enjoy seeing bad guys get their punishment more than seeing them be forgiven, a new study reveals. But even though they don't enjoy the forgiveness stories as much, people do find these narratives more meaningful and thought-provoking than ones in which the bad guys receive their just deserts.
10h
Why Black Voters Stick With Democrats
Especially in the half century since Lyndon Johnson signed the Civil Rights Act, voting for Democrats has become a political norm among African Americans—a norm that individuals in black social spaces actively push one another to follow. But every so often, the Republican Party tries to break African Americans' near-monolithic support for the opposite side. In the past two weeks, Donald Trump, wh
10h
'Toddlers Are Delighted With Themselves'
Reportedly, the front-facing cellphone camera was originally intended to be a way for business colleagues to teleconference one another while they were working in separate locations. Introduced in Japan in 1999 and the United States four years later, it was not initially a widely heralded innovation. And its inventors probably did not anticipate that it would inspire a new genre of photography—th
10h
Samantha Hunt on the Unbearable Flatness of Being
Samantha Hunt's new story, " Go, Team ," will appear in the March issue of The Atlantic . To mark its publication, she and Thomas Gebremedhin, an editor at the magazine, discussed over email her thematic preoccupations, the elements of a good story, and the origins of "Go, Team." This interview has been lightly edited for clarity. Thomas Gebremedhin: In "Go, Team," a group of mothers recounts the
10h
The Daring Ploy That Saved the Florida Panther
Decades ago, only eight known panthers roamed the wilds of Florida. Here's how a handful of scientists and a vet detective saved a subspecies.
10h
Sir David Attenborough to explore threat to 'perfect planet'
A new series will show how the forces of nature – such as the weather – affect animals and the planet
10h
10h
To cut your dementia risk, grow old with an optimist?
Optimistic people may contribute to the health of their partners, research finds. The study, with 4,500 heterosexual couples, indicates that having an optimistic partner may stave off the risk factors leading to Alzheimer's disease, dementia, and cognitive decline as you grow old together. "We spend a lot of time with our partners," says William Chopik, assistant professor of psychology at Michig
11h
Hyperexcitability in Migraines
Migraines are a complex neurological phenomenon that offer a window into some general principles of brain function. A new study confirms previous findings and adds more details to the observation that the visual cortex in those who suffer from migraines is hyperexcitable – it has increased activity in response to stimuli. But this is also clearly only part of the picture. Let's start with some ba
11h
Duuuuude. What Happens if the Earth Gains Consciousness?
The interactive art pop-up 'The End of You' tackles the environmental crisis through a transhumanistic lens. It'll even let you morph into a tree. Well, sorta.
11h
The Big (yet Hidden) Consequences of Antarctica's Record Heat
As the continent rapidly warms, unique communities of tiny animals like water bears are transforming in profound ways.
11h
Efter dieselskandalen: Nu sætter VW strøm til elbiler i USA
På under to år har VW's datterselskab Electrify America opstillet næsten 400 hurtigladere på tværs af USA. I modsætning til Teslas Supercharger-netværk kan de bruges af alle elbiler.
11h
Observational study reveals short-range interactions govern dynamics of microbial communities
Microbial communities are known to be indispensable for our planet. But surprisingly little is known about how they function. Researchers at the Swiss Federal Institute of Aquatic Science and Technology and ETH Zurich are now shedding a little light on this subject.
11h
Sexual reproduction: Sometimes it's just not worth the effort, study finds
Why do most plants and animals engage in sexual reproduction?
11h
Climate warming disrupts tree seed production
Research involving the University of Liverpool has revealed the effect of climate warming on the complex interactions between beech trees and the insects that eat their seeds.
11h
Personalized cancer vaccines: Delivery breakthrough may provide better results
The only therapeutic cancer vaccine available on the market has so far showed very limited efficacy in clinical trials. EPFL researchers are currently working on an alternative. They have developed a platform that allows a cancer vaccine to be delivered to a precise location and stimulate the immune system in a safe way—thereby overcoming one of the two obstacles to creating an effective vaccine.
11h
Greta Thunberg: Climate activist gets her own TV series
The teenage climate activist has signed up to take part in a new BBC series about the environment.
11h
Oxford University Museum of Natural History gives exhibits fresh look
The natural world specimens are being temporarily removed to make way for new display cabinets.
11h
Image of the Day: Kobe the Vulture
A newly hatched bearded vulture chick is part of an effort to reintroduce the declining species across Europe.
11h
Brain temperature can now be measured using light
Light could replace invasive techniques to measure brain temperature– eliminating the need to place a thermometer in the brain when treating a range of neurological disorders.
11h
Study identifies interaction that promotes cancerous state in cells
When the machinery that guides the transition of stem cells to somatic cells doesn't shut down properly, cells can become cancerous. Identifying the mechanisms that impede those processes would offer scientists a target for cancer research.
11h
Heat trapped in urban areas tricks trees into thinking spring has arrived earlier
A study of satellite images of dozens of U.S. cities shows trees and vegetation in urban areas turn green earlier but are less sensitive to temperature change than vegetation in surrounding rural regions.
11h
Study identifies interaction that promotes cancerous state in cells
When the machinery that guides the transition of stem cells to somatic cells doesn't shut down properly, cells can become cancerous. Identifying the mechanisms that impede those processes would offer scientists a target for cancer research.
11h
The Oversight Wars Are Not Going Away
The impeachment trial of President Donald Trump has slouched to its preordained conclusion. But the confrontation between the president and the House of Representatives over the House's oversight powers and the president's authority to resist congressional demands for information and testimony is very much still ongoing. Over the next few months, several of the skirmishes between Trump and the Ho
11h
The Supreme Court's Enduring Bias
Rodrigo Corral A template for popular books about the Supreme Court has emerged since Bob Woodward and Scott Armstrong's The Brethren was published in 1979. It goes like this: Interweave case histories with biographical material on the justices and add anecdotes about their unseemly horse-trading. Then pack in as much gossip as you can. Journalists including Jeffrey Toobin, Jan Crawford Greenburg
11h
Dansk fedmekirurgi er i topklasse
Kvaliteten af dansk fedmekirurgi fejler ikke noget. De afdelinger, der bedriver det, leverer høj kvalitet på linje med de bedste i udlandet.
11h
Slaughterhouse Designed to Dump Waste into River
Originally published in August 1866 — Read more on ScientificAmerican.com
11h
Can the Government Buy Its Way Around the Fourth Amendment?
Immigration authorities are purchasing cell phone location data, and it might be totally legal.
12h
Trump Proposes a Cut in Research Spending, but a Boost for AI
The president is betting on payoffs from artificial intelligence and quantum. But some researchers say gains are dependent on progress in other fields.
12h
19 Valentine's Day Deals to Gift Your Sweetheart (or Yourself)
From Apple Watches to a comfy mattress, we found swoon-worthy discounts on all sorts of gear and gadgets.
12h
An engineering marvel in the Chilean desert
Astronomers in the Alma station look for clues to how the universe began
12h
Nyt professorat stiller skarpt på forebyggelse af ufrivillig abort
Henriette Svarre Nielsen er ved årsskiftet tiltrådt som professor på Gynækologisk Obstetrisk Afdeling på Hvidovre Hospital. Her skal hun forske nærmere i, hvorfor nogle kvinder gang på gang oplever at miste en graviditet.
12h
Mask i hjärnan hos ödleembryon
Forskare har upptäckt nematoder, maskar, i hjärnan hos embryon i ödleägg. Maskarna upptäcktes när forskarlaget dissekerade ägg från murödlor i Pyrenéerna. Det är första gången som en upptäckt av det här slaget görs i embryon i reptilägg över huvud taget. Upptäckten gjordes av ett internationellt forskarlag lett av Nathalie Feiner, evolutionsbiolog vid Lunds universitet. De upptäckte maskarna när
12h
What is coronavirus and how worried should we be?
What are the symptoms caused by the virus from Wuhan in China, how does it spread, and should you call a doctor? Find all our coronavirus coverage here How to protect yourself from infection It is a member of the coronavirus family that has never been encountered before. Like other coronaviruses, it has come from animals. Many of those initially infected either worked or frequently shopped in the
12h
Artificial Intelligence and Public Standards (pdf)
submitted by /u/stormforce7916 [link] [comments]
12h
'Robot' mania and language: useful or self-defeating?
submitted by /u/stormforce7916 [link] [comments]
12h
TAFFD's "Magazine of the Future"
submitted by /u/badoon99 [link] [comments]
12h
Footprint Find Could Be a "Holy Grail" of Pterosaur Research
How early pterosaurs walked on the ground has been a complete mystery. Now the first known trackways of their footprints offer answers — Read more on ScientificAmerican.com
12h
Footprint Find Could Be a "Holy Grail" of Pterosaur Research
How early pterosaurs walked on the ground has been a complete mystery. Now the first known trackways of their footprints offer answers — Read more on ScientificAmerican.com
12h
Femern-bygherre og lystsejlere i åben strid: Besværlig bro sparer kun 50 mio.
PLUS. Sund & Bælt og Banedanmark overvejer at spare klappen væk på jernbanebroen over Guldborg Sund. Manøvren vil højst spare 50 mio. kr., men vil være til stor gene for områdets lystsejlere.
12h
The U.S. Military Is Not Ready for a Constitutional Crisis
I spent nine years on active duty in the U.S. Navy. I served as an aircraft commander, led combat reconnaissance crews, and taught naval history. But the first thing I did upon joining the military, the act that solemnized my obligation, was swear an oath to support and defend the Constitution. How strange, then, that despite all of my training, the millions of taxpayer dollars devoted to teachin
12h
Democrats are reaching farmers with an exciting message: green agriculture | Art Cullen
Every leading Democratic candidate supports a form of conservation that can reduce greenhouse gases and create jobs in rural America Something you might have missed amid all the horserace and app-failure coverage of the Iowa caucuses: a deep discussion took place over the past year about the climate crisis and agriculture that could change the way our food system operates. Every leading Democrati
12h
The Sanders Doctrine
O ne's a democratic socialist, and the other's a right-wing nationalist. In many ways, their views on international affairs couldn't be further apart. But in 2011, when the United States joined the NATO military campaign to protect civilians in Libya, both Bernie Sanders and Donald Trump initially seemed to support it. Then rebels murdered the country's dictator, unleashing chaos that continues t
12h
The 53-State Solution
America has become a nation of minority rule. Two of the past three presidents received fewer votes than their opponent. In 2017, most legislation passed by the Senate was supported by senators representing only a minority of the population . And after the confirmation of Justice Brett Kavanaugh, all five of the conservative Supreme Court justices—a majority of the Court—have been appointed by pr
12h
Floods fail to end Australia's years-long drought
Heavy rain has given hope to Australia's drought-stricken regions, but scientists warned Tuesday sustained falls were needed to end a years-long dry spell.
12h
Inspiring confidence
Nature, Published online: 11 February 2020; doi:10.1038/d41586-020-00358-0 Anne-Marie Imafidon launched an outreach business to encourage young women to pursue careers in technology and science.
12h
Harvard group retracts Nature paper
A group of researchers based at Harvard University have retracted an influential 2017 letter in Nature after a change in lab personnel led to the discovery of errors in the analysis. The article, "Microglia-dependent synapse loss in type I interferon-mediated lupus," emerged from a collaboration including scientists at Harvard Medical School, the Rockefeller University in … Continue reading
13h
Why democratizing AI is absolutely crucial
Implicit biases are feelings and ideas subconsciously attributed to a group or culture based on learned associations and experiences. Everyone has them, but it can be dangerous when those biases are transferred to a powerful technology like AI. By keeping the development of artificial intelligence private, we are risking building systems that are intrinsically biased against certain groups. Gover
13h
Google's Giving Out Security Keys to Help Protect Campaigns
Candidates can also get trained up on how to use Advanced Protection to keep their accounts safe.
13h
The Food We'll Eat on the Journey to Mars (Algae Caviar, Anyone?)
Humans are headed for the cosmos, and we're taking our appetites with us. What will fill the void when we leave Earth behind?
13h
Worthing hospital healthcare worker contracts coronavirus
A&E staffer is among eight UK cases, along with doctor and Brighton businessman A healthcare worker at Worthing hospital is among the eight confirmed cases of coronavirus in the UK. Staff at the West Sussex hospital received a memo on Tuesday telling them a member of staff working in the A&E department had been diagnosed with the disease. Continue reading…
13h
Mechanical rolling formation of interpenetrated lithium metal/lithium tin alloy foil for ultrahigh-rate battery anode
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-020-14550-3 Sluggish lithium diffusion on the surface of Li metal anodes poses a fundamental challenge. Here the authors report a Li/Li22Sn5 alloy design to address this issue. The composite anode sustains stable Li stripping/plating cycling with a low overpotential of 20 mV under 30 mA cm−2 in a commercial carbonate el
13h
Coherent spin control of s-, p-, d- and f-electrons in a silicon quantum dot
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-019-14053-w Quantum dots are often referred to as "artificial atoms" as they create zero-dimensional traps for electrons, with characteristic atom-like spectra. Leon et al. demonstrate that higher shell and orbital states of a multi-electron silicon quantum dot with better control fidelity than single electron dots.
13h
Quantitative SUMO proteomics identifies PIAS1 substrates involved in cell migration and motility
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-020-14581-w PIAS1 is an E3 SUMO ligase involved in various cellular processes. Here, the authors use quantitative proteomics to identify potential PIAS1 substrates in human cells and elucidate the biological consequences of PIAS1-mediated SUMOylation of vimentin.
13h
Early deformation mechanisms in the shear affected region underneath a copper sliding contact
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-020-14640-2 The microstructural evolution during the sliding of two surfaces against each other is complex and remains poorly understood. Here, the authors use electron microscopy to elucidate the different deformation mechanisms occurring at the beginning of sliding.
13h
Distinct iron cycling in a Southern Ocean eddy
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-020-14464-0 Eddies are common ocean features that isolate large swaths of seawater, but it is unclear how they influence productivity of phytoplankton trapped inside. Here Ellwood and colleagues use stable and radiogenic isotopes to characterize a Southern Ocean eddy, finding vanishingly low iron concentrations that dri
13h
Sub-picosecond charge-transfer at near-zero driving force in polymer:non-fullerene acceptor blends and bilayers
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-020-14549-w It has been commonly believed that the driving force at the donor-acceptor heterojunction is vital to efficient charge separation in organic solar cells. Here Zhong et al. show that the driving force can be as small as 0.05 eV without compromising the charge transfer rate and efficiency.
13h
Programming bulk enzyme heterojunctions for biosensor development with tetrahedral DNA framework
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-020-14664-8 Tetrahedral DNA framework-enabled bulk enzyme heterojunctions have been used to program biosensor interfaces. Here, the authors use DNA tetrahedrons to tether enzymes of an enzymatic cascade to gold electrodes, hence raising them over the bulk solution, which led to improved kinetics and sensitivity.
13h
A segregated cortical stream for retinal direction selectivity
Nature Communications, Published online: 11 February 2020; doi:10.1038/s41467-020-14643-z Visual features are streamed into higher visual areas (HVAs), but how representations in HVAs are built, based on retinal output channels, is unknown. Here, the authors show that specific connectivity of cortical neurons routes retina-originated direction-selective signaling into distinct HVAs.
13h
Artificial atoms create stable qubits for quantum computing
Quantum computing researchers at UNSW Sydney have made improved qubits by exploiting concepts from high school chemistry.
13h
Using sound and light to generate ultra-fast data transfer
Researchers have made a breakthrough in the control of terahertz quantum cascade lasers, which could lead to the transmission of data at the rate of 100 gigabits per second — around one thousand times quicker than a fast Ethernet operating at 100 megabits a second.
13h
Venstre om elbilsforslag: »Hvorfor skal vi sidde på hænderne når det gælder grønne biler?«
Gratis el til elbiler og gratis passage over Storebælt er blandt de forslag fra Venstre og Radikale, som skal sætte skub i salget af elbiler i Danmark. Hvis vi ikke kommer i gang nu, frygter transportordfører Kristian Pihl Lorentzen, at nye initiativer først vil kunne gå i gang efter klimahandlin…
13h
A novel vibriophage exhibits inhibitory activity against host protein synthesis machinery
Scientific Reports, Published online: 11 February 2020; doi:10.1038/s41598-020-59396-3
13h
Role of Vitamins A and D in BCR-ABL Arf−/− Acute Lymphoblastic Leukemia
Scientific Reports, Published online: 11 February 2020; doi:10.1038/s41598-020-59101-4 Role of Vitamins A and D in BCR-ABL Arf −/− Acute Lymphoblastic Leukemia
13h
Interaction of the Gulf Stream with small scale topography: a focus on lee waves
Scientific Reports, Published online: 11 February 2020; doi:10.1038/s41598-020-59297-5
13h
A Fast and Sensitive Luciferase-based Assay for Antibody Engineering and Design of Chimeric Antigen Receptors
Scientific Reports, Published online: 11 February 2020; doi:10.1038/s41598-020-59099-9
13h
Track and dose-average LET dependence of Gafchromic EBT3 and MD-V3 films exposed to low-energy photons
Scientific Reports, Published online: 11 February 2020; doi:10.1038/s41598-020-59233-7
13h
Engineers Just Built an Impressively Stable Quantum Silicon Chip From Artificial Atoms
Reliable accuracy over 99 percent.
14h
Coronavirus: why a permanent ban on wildlife trade might not work in China
Nature, Published online: 11 February 2020; doi:10.1038/d41586-020-00377-x
14h
Romania needs its astronomers back
Nature, Published online: 11 February 2020; doi:10.1038/d41586-020-00391-z
14h
China: clamp down on violations of wildlife trade ban
Nature, Published online: 11 February 2020; doi:10.1038/d41586-020-00378-w
14h
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